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Botanical collectors and naturalists are the backbone of our understanding of plant diversity and evolution. Without botanical collections, our knowledge of the natural world of plants would be far less complete. Indeed, botanical collectors are rarely given the credit that they deserve for tireless work in often inhospitable or even dangerous places and environments. One aspect of botanical collectors is that most do not directly participate in the publications that are based on their work. Thus, their publication records are often sparse or non-existent. This should not be viewed as detrimental to the quality of their work or the success of their careers.
Almost all botanists who participate in taxonomy, systematics, floristics, ecology, aand/or phylogenetics make plant collections, and therefore are technically botanical collectors. We place here only those who devoted an exceptional or focused effort on plant collecting. Some of these, such as Cyrus Pringle or Alwyn Gentry are legendary collectors. Many of these collectors have duplicate specimens distributed widely to numerous herbaria |
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1906 - 1986 
Joseph Adams Joseph Adams was an American botanist and plant collector regarded as expert in the flora of Pennsylvania, and who served as Curator of the Herbarium at the Morris Arboretum. |
1858 - 1932 
Rufus Alderson Rufus Davis Alderson was a teacher and printer who collected plants in San Diego county, California in the early 1890s. |
1867 - 1950 
Annie Alexander Annie Montague Alexander was an American (born in the Kingdom of Hawaii) paleontologist and philanthropist whose patronage led to the establishment of the University of California Museum of Paleontology and Museum of Vertebrate Zoology. |
1901 - 1985 
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Edward Alexander Edward J. Alexander was an American botanist and curator at the New York Botanical Garden, and editor of the journal Addisonia. He collected many live plants and seeds for NYBG on a Mexican expedition in the 1940s. |
1880 - 1963
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Harry A. Allard Harry A. Allard was an American botanist credited with the co-discovery of photoperiodism. His research extended to plant pathology (tobacco mosaic), plant breeding, as well as pioneering acoustical studies of insects. |
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1911 - 1963 
Paul Allen Paul H. Allen was an American orchidologist and plant ecologist who collected extensively in Panama in cooperation with the Missouri Botanical Garden, and who collected wild and cultivated bananas in the western Pacific for United Fruit Co. as part of a large breeding project. |
1874 - 1950 
Oakes Ames Oakes Ames was an American orchidologist and botanist on the faculty of Harvard University. His orchid herbarium of over 130,000 sheets, together with a supporting library, were donated to Harvard in 1938. |
1707 - 1741
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Johann Amman Johann Amman was a Swiss-Russian physician and botanist who collected extensively in eastern Europe, and in 1739 published Stirpium Rariorum in Imperio Rutheno Sponte Provenientium Icones et Descriptiones, describing and illustrating Ukrainian flora. |
1942 - 2013 
William Anderson William Anderson was an American botanist who specialized in the systematics and floristics of the Malpighiaceae |
1874 - 1953 
Jacob Anderson Jacob Peter Anderson was an American florist, horticulturist and plant collector in Alaska and adjacent Canada. |
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1809 - 1893 
Seth Andrews Seth Lathrop Andrews was an American physician who served as a Protestant missionary in Hawaii and whose 1830s plant collections are deposited at Cornell University (BH). |
1858 - 1933
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Isabel Arnold Isabel Arnold was an American educator whose plant collections were made mostly in the Upper Chemung Valley, Steuben County, New York. |
1888 - 1974 
Erik Asplund Erik Asplund was a Swedish botanist and plant collector centered at the University of Uppsala and the Swedish Royal Museum of Natural History. |
1812 - 1878 
Elizabeth Atwater Elizabeth Atwater was a self-taught plant collector who corresponded with leading botanists of her time. Many of her specimens, donated to the Chicago Academy of Science, were lost in the Great Chicago Fire of 1871. |
1832 - 1919 
Rebecca Austin Rebecca Merritt Smith Austin was an American pioneer in carnivorous plant studies despite having no formal botanical education. |
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1857 - 1937
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Alice Bacon Alice E. Bacon was an American plant collector centered in Vermont, about whom little is known. |
1837 - 1913 
Karl Baenitz Karl Gabriel Baenitz was a German teacher and botanist whose exsiccatae sheets (many collected by others) are widely distributed globally. |
1838 - 1924 
Charles Bailey Charles Bailey was an English amateur botanist and plant collector who collected in Great Britain, Europe and North Africa. |
1892 - 1984 
Edward Balls Edward Kent Balls was an English horticulturist and plant collector who explored for the Agricultural Bureau, specializing in alpine and rock garden plants, and later, potatoes. Later in his career he was employed by Rancho Santa Ana Botanic Garden. |
1743 - 1820 
Joseph Banks Sir Joseph Banks was an English patron of the sciences and botanist in his own right. He famously participated in Capt. James Cook's first voyage to the South Pacific (1768-1771) during which he made the first scientific botanical explorations in Australia. Collections on this voyage introduced many Australian plants to cultivation including some in the genus Banksia, named for him. Banks successfully advocated opening Australia to British colonization and establishment of the penal colony there known as Botany Bay. Banks' other areas of botanical exploration included Newfoundland, Labrador, Iceland, the Hebrides, and the Orkneys, among others. |
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1908 - 1989 
Fred Barkley Fred Barkley was an American botanist and plant collector with research interests in Mexican and Central American flora. |
1739 - 1823 
William Bartram William Bartram was an American ornithologist and botanist who was an early scientific explorer of the southeastern United States. |
1848 - 1922 
Jules Battandier Jules Aime Battandier was a French pharmacist, botanist, and plant collector who worked mainly in Algeria. |
1787 - 1830 
William Baxter William Baxter was an English gardener who traveled to Australia to collect seeds for private individuals and seedsmen in England. The genus Baxteriana was named in his honor. |
1878 - 1964 
Mary A. Beal Mary A. Beal was an American amateur botanist and plant collector known for her pioneering botanical work in the Mojave Desert in California. |
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1929 - 2015 
John Beaman John H. Beaman was an American botanist and cytotaxonomist on the faculty of Michigan State University, whose work on the flora of Mt. Kinabulu, Borneo showed it to be one of the richest floras in the world. |
1818 - 1901 
Alexander Becker Alexander K. Becker was a German-Russian botanist and entomologist who lived and collected in Russia in the mid-19th Century. |
1909 - 1993 
Lyman Benson Lyman Benson was a California plant taxonomist and plant collector who studied desert plants, particularly cacti, throughout his career. |
1837 - 1917 
Sven Berggren Sven Berggren was a Swedish plant collector, explorer, and professor who collected in parts of the world that were then little-known to Europeans such as Svalbard, Greenland, Hawaii, California, and Australasia. |
1787 - 1879 
Jacob Bigelow Jacob Bigelow was an American physician, technologist, plant collector and plant taxonmist who studied medical botany and ethnobotany as well. |
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1865 - 1922
 Henry Bigelow Henry Bigelow |
1862 - 1938 
Joseph Blankinship Joseph William Blankinship was an influential American plant taxonomist and plant collector who settled in Montana and was the first curator of the Montana State University Herbarium (MONT) in Bozeman. |
1831 - 1897 
Henry Bolander Henry Nicholas Bolander was a German-American botanist, plant collector, and ordained Lutheran minister of the 19th Century. He became State Botanist in California and was associated with the California Academy of Sciences and the California Geological Survey. |
1773 - 1858 
Aimee J. A. Bonpland Aimee Bonpland was a French plant collector, taxonomist, and explorer most known for accompanying Alexander von Humboldt on his South and Central American expedition. |
1813 - 1877 
Eugene Borgeau Eugene Borgeau was a French plant collector who explored in southern Europe, north Africa, Mexico, and Canada. Mount Borgeau, in Banff National Park, was named for him. |
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1808 - 1877 
Mateo Botteri Mateo Botteri was an Italian linguist and naturalist who became an educator in Mexico and founded the Museum of Orizaba, Mexico. |
1844 - 1920 
Mary Brandegee Katharine Brandegee was an American botanist, collector, and physician who became Herbarium Curator at the California Academy of Sciences. |
1939 - 2012 
Dennis Breedlove Dennis Breedlove was a California plant collector who studied extensively in Mexico, particularly in the state of Chiapas. |
1870 - 1948 
Alberto Brenes Alberto M. Brenes was a Costa Rican orchidologist, plant collector, and botanical illustrator who served as head of botany, Museo Nacional de Costa Rica. |
1807 - 1865
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Thomas Bridges Thomas Bridges was an English botanist and plant collector who explored the Andes and California. His California collections were deposited with the United States National Herbarium (US). |
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1872 - 1952 
John Bright John Bright was an amateur American botanist, plant collector, and entomologist centered in western Pennsylvania, whose large herbarium is now part of the Carnegie Museum. |
1835 - 1894 
Jeremiah Brinton Jeremiah Bernard Brinton was an American medical doctor, amateur botanist, and plant collector who in 1892 founded the Philadelphia Botanical Club. |
1867 - 1921 
Stewardson Brown Stewardson Brown was an American botanist and plant collector, curator of the Philadelphia Academy of Natural Sciences herbarium (PH). |
1858 - 1937 
Benjamin Bush Benjamin Franklin Bush was an American botanist and ornithologist. He worked as a storekeeper and postmaster to support his interest in botany and in 1882 published Flora of Jackson County (Missouri), listing many species new to the region. |
1842 - 1914 
William Calkins William W. Calkins was an American lumberman and amateur mycologist, botanist, and geologist. His personal herbarium of vascular plants was depostied at University of Notre Dame. |
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1907 - 1991 
Annetta Carter Annetta Carter was an American botanist who made numerous collections in Baja California and throughout Mexico, and named several new species as a result of her travels in the region. She is an iconic figure in California botany. |
1869 - 1927
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Pierre Cavalerie Pierre Julien Cavalerie was a French missionary and botanical collector. |
1898 - 1983
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Ernest Cheesman Ernest E. Cheesman was an English plant taxonomist and horticulturist who collected extensively in Trinidad & Tobago. He is best known for his taxonomic work on Musaceae and for work on cacao propagation. |
1831 - 1913 
John White Jr. Chickering John White Chickering, Jr. was a teacher and clergyman, who lived in Ovid New York and was mentioned in the Cayuga Flora. He later published accounts of botanizing in the Great Dismal Swamp of Virginia in 1873, and on Roan Mountain, North Carolina in 1880 and was noted by W.R. Dudley as a plant collector in the Cayuga Lake Basin. |
1872 - 1960
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Maude Chisholm Maude Chisholm was an American plant collector about whom little is known, whose collections are primarily housed at the Pringle Herbarium, University of Vermont. |
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1845 - 1933 
Joseph Churchill Joseph Richmond Churchill was an American lawyer, judge, and plant collector whose large herbarium was donated to the Missouri Botanical Garden. |
1832 - 1906 
Charles Clarke Charles Baron Clarke was an English lawyer and botanist who explored and collected extensively on the Indian subcontinent. |
1873 - 1968 
Mary Clemens Mary S. Clemens was an American explorer and collector most known for her collections from remote regions of the South Pacific. |
1838 - 1929 
Daniel Cleveland Daniel Cleveland was an American lawyer and amateur botanist who collected mainly in southern California and Baja California. He was a correspondent with Asa Gray and many plant species he collected now bear his name, including the genus Clevelandia. |
1807 - 1885 
George W. Clinton George William Clinton was an American amateur naturalist who was also a lawyer, politician and judge. He was for a year the mayor of Buffalo, New York. His botanical collections are at Cornell University (BH) as well as at the Putnam Museum (Iowa). |
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1878 - 1950 
Ira Clokey Ira W. Clokey was an American botanist and mining engineer whose extensive collecting in Nevada culminated in the posthumous publication Flora of the Charleston Mountains, Clark County, Nevada (1951). Clokey's early personal herbarium was destroyed by fire in 1912, but subsequent collections are well-distributed among many herbaria. |
1872 - 1938 
Guy N. Collins Guy N. Collins was an American plant geneticist and plant collector who became Principal Botanist for USDA Division of Cereal Crops and Diseases. |
1727 - 1773 
Philibert Commerson Philibert Commerson was a French physician, ichthyologist, and botanist, who accompanied Louis Antoine de Bougainville on the voyages of 1766-1769, exploring Tahiti, Samoa, and other South Pacific islands. Commerson disembarked in Reunion (then Ile de Bourbon) to explore there and in Madagascar and Mauritius, and died a few years later in Reunion at age 45. |
1829 - 1919
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Albert Commons Albert Commons was an American farmer and amateur botanist who collected extensively in Delaware and adjacent states during the 19th Century. Many of his specimens, including thousands of fungi and lichens, were deposited with the Academy of Natural Sciences, Philadelphia (PH). |
1834 - 1910 
Joseph Congdon Joseph Whipple Congdon was an American lawyer and amateur botanist best known for his botanical exploration of California, especially the Yosemite region. |
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1896 - 1986
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George Cooley George Ralph Cooley was an American banker and botanist known for his collections in Florida and Mississippi, and for funding various efforts having to do with botany and plant taxonomy. |
1906 - 1996 
Edred Corner Eldred Corner was an English botanist and mycologist who became Assistant Director as the Singapore Botanic Gardens. He collected mainly in the forests of Malaysia, sometimes with the aid of macaques trained to fetch samples from the canopy. Taxonomically, he became an expert on the fig genus Ficus and the fungal genus Clavaria. Corner also developed the "Durian Theory" of forest tree evolution based on his Malaysian observations. |
1908 - 1983 
Donovan Correll Donovan S. Correll was an American orchidologist and floristician who also worked for USDA as a drug plant explorer. He published Manual of the Vascular Plants of Texas in 1970 and is also noted for having helped establish Big Thicket National Park. |
1921 - 1997 
Richard S. Cowan Richard S. Cowan was an American botanist and plant collector who was a curator in the Department of Botany, Smithsonian Institution, eventually becoming director of the Smithsonian's Natural History Museum. He notably made several trips to collect in South America. |
1920 - 2009 
John L. Creech John Creech was a plant explorer and horticulturalist who served as Director of the U.S. National Arboretum in Washington, D.C., and who, while a prisoner of war in Poland in 1941, established and maintained a vegetable garden to help feed his fellow prisoners, for which he was awarded the Bronze Star. |
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1833 - 1871 
Kate Crooks Kate Crooks was a Canadian botanist most noted for her collections cited in the Catalogue of Canadian Plants. |
1791 - 1839 
Allan Cunningham Allan Cunningham was an English plant collector employed by the King's Garden, Kew, who made early botanical explorations in Australia and New Zealand, and was among the first to publish on plant geography. |
1808 - 1872 
Moses Curtis Moses Curtis was an American minister and educator who collected plants in the Appalachian region, many of which he sent on to Asa Gray, John Torrey and Edward Tuckerman for their study. |
1845 - 1907
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Allen Curtiss Allen Hiram (or Heirome) Curtiss was an American plant collector, mainly in the southeastern United States and Caribbean, who was employed by the Florida Agricultural Experiment Station and later USDA. |
1782 - 1863 
William Darlington William Darlington was a Pennsylvania physician and U.S. Representative who assembled a herbarium through correspondence and exchange with many botanists and horticulturalists of his day. The genus Darlingtonia is named for him. |
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1860 - 1932 
Anstruther Davidson Anstruther Davidson was a Scottish-American dermatologist, entomologist and botanist. He was connected to the Southern California Academy of Sciences, and was an expert on the southern California Flora. He co-published Flora of Southern California in 1923. Davidson's personal herbarium was deposited with the Los Angeles County Museum. |
1847 - 1930
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Walter Davis Walter Davis was an English horticulturist and plant collector employed by James Veitch & Sons Nursery, who collected extensively in South America and brought many new plants, especially orchids, into cultivation. |
1833 - 1921 
Nancy Davis Nancy Jane Davis was an American educator and botanist known for her collections of Californian plants. |
1864 - 1948 
Harry DeForest Harry P. DeForest, aka Henry P. DeForest, was an American physician and police surgeon who developed and implemented the first use of fingerprint identification in the United States. While an undergraduate at Cornell University, he made many plant collections (deposited at Cornell University (BH)). |
1905 - 1997 
Lauramay Dempster Lauramay Tinsley Dempster was an American botanist who worked closely with Willis Jepson on the flora of California. She later became a Herbarium Botanist (and later Research Geneticist and Research Associate) at University of California, Berkeley. She was an expert on the genus Galium (Rubiaceae). |
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1826 - 1868
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William Denslow William Wallace Denslow was an American pharmacist and plant collector in the mid-19th Century who was considered an expert on the flora of Manhattan Island, New York. His son, also named William Wallace Denslow, was an illustrator and caricurist who illustrated The Wonderful Wizard of OZ by L. Frank Baum. |
1923 - 2015 
William C. Dilger William "Bill" C. Dilger was an American ornithologist and plant collector, on the faculty of Cornell University as a Professor of Neurobiology and Behavior as well as Director of Research at the Cornell Lab of Ornithology. He received his B.S., M.S., and Ph.D. from Cornell University. |
1868 - 1945 
Moritz Dinter Moritz K. Dinter was a German botanist, horticulturist and plant collector who explored what is today Namibia. |
1844 - 1918 
Charles Dodge Charles Keen Dodge was an American lawyer, plant taxonomist and plant collector whose large personal herbarium is now at the University of Michigan herbarium. |
1799 - 1834 
David Douglas David Douglas was a Scottish explorer and plant hunter who introduced hundreds of plants to England, and is best known as the discoverer and namesake of the Douglas fir, Pseudotsuga menziesii, in the Pacific Northwest. |
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1918 - 2018 
Nicholas Drahos Nick Drahos was an American wildlife and conservation biologist and educator, but perhaps remembered by most as a star Cornell University football player who was named to the All-America team in 1939-1940, and elected to the College Football Hall of Fame in 1981. |
1910 - 1987 
Robert Drexler Robert V. Drexler was an American bryologist and mycologist for whom the R.V. Drexler Herbarium was named, at Coe College, Cedar Rapids, Iowa. |
1793 - 1835 
Thomas Drummond Thomas Drummond was a Scottish botanist and plant collector who was an assistant on Sir John Franklin's second land expedition (United States and Canada), and later collected extensively in Texas. |
1876 - 1959 
Adolpho Ducke Adolpho Ducke was a German-Brazilian entomologist and plant taxonomist born in Trieste (today part of Italy), who was an expert on the Amazonian flora, especially the family Fabaceae. |
1849 - 1911 
William Dudley William Russel Dudley was an American botanist and one of Cornell University's earliest students, as well as a highly influential professor at Cornell who published the first catalogue of the region's wild plants, Cayuga Flora, in 1886. |
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1910 - 2005
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Wilbur Duncan Wilbur Howard Duncan was a botanist and educator from Buffalo, New York, on the faculty of University of Georgia and instrumental in the expansion of the herbarium there. |
1814 - 1905 
George Dunn George Washington Dunn was an American plant and insect collector who discovered many new species, primarily in California and Baja California. Calochortus dunnii is named for him. |
1865 - 1948 
Edward Eames Edward Hubert Eames was a Connecticut physician and amateur botanist who amassed a large collection of local species, bequeathed to the herbarium at the University of Connecticut upon his death. |
1831 - 1908
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Amelia Eby Amelia Flanery Eby was an American amateur plant taxonomist, plant collector and schoolteacher, and a member of the Sullivant Moss Society. |
1869 - 1954 
David Fairchild David Fairchild was an American botanical explorer and ethnobotanist responsible for introducing many popular crops into the American diet. |
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1848 - 1920 
Walter Faxon Walter Faxon was an American ornithologist, botanist, and invertebrate zoologist with special expertise in crayfish biology and taxonomy. |
1813 - 1883 
Augustus Fendler Augustus Fendler was a Prussian-born American plant collector, the first to seriously collect (for Asa Gray) in the Santa Fe area. Throughout his life in the United States, he embarked on many new business endeavors but never ones that lasted long. Leaving the United States for long perioids, he also made significant collections in Panama, Venezuela, and Trinidad. |
1865 - 1950 
Adriano Fiori Adriano Fiori was an Italian medic and botanist who collected widely throughout Italy and in Eritrea, on the faculty of the Forestry Institute of Vallombrosa and later at the University of Florence. He edited several editions of Flora Italiana. |
1838 - 1926 
George Fish George T. Fish was the son of a Rochester, New York nurseryman who became an amateur botanist and collected with professionals, such as Asa Gray. |
1868 - 1953 
George L. Fisher George L. Fisher was an American music teacher, amateur botanist, and plant collector who operated the American Botanical Exchange out of his garage in Houston, Texas. |
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1838 - 1925
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Lewis Foote Lewis W. Foote was an American civil engineer and plant collector employed by the United States Lake Survey, for which he surveyed, mapped, and collected from large areas of the Great Lakes. |
1851 - 1932 
Henry Forbes Henry Ogg Forbes was a Scottish botanist and ornithologist who explored and collected in Portugal, Indonesia, and Papua New Guinea. He was for a time director of the Canterbury Museum, New Zealand. |
1908 - 1993 
Francis Fosberg Francis R. Fosberg was an American plant taxonomist, ecologist, and collector on the staff of the Smithsonian Institution, who was best known for his work on plants of Pacific islands. |
1888 - 1978 
Mulford B. Foster Mumford B. Foster was an American horticulturist, artist, landscape architect, and plant collector who discovered and brought into cultivation many species of bromeliads. |
1874 - 1967 
Charles Furlong Charles Wellington Furlong was an American explorer, artist, photographer, and professor at Cornell University who traveled widely and collected botanical specimens, especially in Patagonia. |
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1814 - 1858 
Henri Galeotti Henri Guillaume Galeotti was a French-Belgian and plant collector and importer whose main interests were the plants of Mexico, especially Cactaceae. |
1823 - 1849
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William Gambel William Gambel was an American physician and botanist, an associate of Thomas Nuttall, notable as the first botanist to collect in Santa Fe, NM, among other places. He died of typhoid at age 26, while attempting to reach California to set up a medical practice there. |
1899 - 1976 
Frank Gander Frank Forest Gander was an American ornithologist, mammalogist, and botanist active mainly in the area of San Diego, California. For several years he served as Curator of Botany at the San Diego Museum of Natural History. |
1883 - 1980 
Winifred Gates Winifred Carpenter Gates was an American schoolteacher, antiquarian book dealer, and botanist centered in Amherst, Massachusetts. Some of her plant collections are deposited at Cornell University (BH), and her photograph collection was donated to the Jones Library, Amherst. |
1945 - 1993 
Alwyn H. Gentry Alwyn Gentry was an American botanist and plant collector, who specialized in the Bignoniaceae and developed the "Gentry Forest Transect" method of assessing composition of tropical forests. |
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1903 - 1993 
Howard Gentry Howard Gentry was an American botanist, ethnobotanist, and plant collector recognized as an authority on agave. |
1831 - 1923 
Lucy Goodrich Lucy Leonora Goodrich was a teacher and avid botanist who authored the Flora of Onondaga County as Collected by Members of the Syracuse Botanical Club in 1912. |
1849 - 1934 
John Grant John Marshall Grant was an American nurseryman and amateur botanist, well-known as a collector of plants and fungi around Washington state. |
1882 - 1936
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Edward Graves Edward Willis Graves was an American farmer and amateur botanist and pteridologist who mainly collected in the southern United States, but notably took a collecting trip to Cuba in 1919. |
1890 - 1959 
Ludlow Griscom Ludlow Griscom was an American pioneer in field ornithology and was instrumental in popularizing identifying live birds in the field using "field marks" and binoculars. Although not a botanist, he also collected botanical specimens, including many deposited at Cornell University (BH). |
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1836 - 1881
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Ludwig Hahn Ludwig Hahn was a German horticulturist and plant collector who worked primarily for French institutions in France, Martinique, and Mexico, and in his last years collected in South Africa for the British Museum. |
1884 - 1964 
Thore Halle Thore Gustav Halle was a Swedish paleobotanist, bryologist and plant collector who worked on Mesozoic and Cenozoic deposits, including in South America and China. He also collected a large number of living bryophytes particularly from the region of Stockholm |
1868 - 1932 
Johannes Hallier Johannes Hallier was a German plant systematist and plant collector, expert in the flora of Indonesia, and best known for his "Hallier System" of phylogenetic classification. |
1845 - 1910 
Edward L. Hankenson Edward L. Hankenson was a businessman and amateur botanist centered around Newark, New York. |
1862 - 1936 
Thomas Harbison Thomas Grant Harbison was an American schoolteacher and principal who earned his degrees through correspondence schools. He became a collector for the Biltmore Herbarium (George W. Vanderbilt estate) and later for the Arnold Arboretum (Harvard University). Toward the end of his life he curated the W.W. Ashe Herbarium, University of North Carolina, where his personal herbarium is deposited. |
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1831 - 1917
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Jared Harbour Jared Harbour was an American plant collector who, with his cousin Elihu Hall, accompanied Charles Parry on an expedition to Colorado in 1862, and for whom Penstemon harbourii is named. |
1917 - 1998 
Jack Harlan Jack Harlan was an American plant collector, educator at several universities, agronomist specializing in forage crops, and advocate for crop plant biodiversity who worked for the USDA. |
1906 - 1969 
Stuart Harris Stuart Kimball Harris was an American botanist and ornithologist on the faculty of Boston University. |
1872 - 1953 
Arthur Harrison Arthur Kenyon Harrison was a professor of Landscape Architecture at the University of Massachusetts who contributed plant specimens to the New York State Herbarium. |
1812 - 1871 
Karl Hartweg Karl Theodor Hartweg was a 19th Century German botanist most noted for his collections from Latin America and California. His collections were the basis of Bentham's Plantas Hartwegianas. |
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1827 - 1863
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Sutton Hayes Sutton Hayes was an American plant collector who was also a U.S. Army surgeon. He collected in the southwestern US and Panama, where he died at the age of 35 after a long bout with tuberculosis. He sent many of his specimens to Kew. |
1885 - 1953 
Margaret Heatley Margaret Heatley Moss was an English plant collector and instructor of botany on the faculty of Wellesley College, who left the United States for South Africa to head the Botany Department of Huguenot College of Cape Colony for Bertha Stoneman during her sabbatical leave, and later taught at University of the Witwatersrand, Johannesburg, before returning to Wellesley College years later as an Exchange Assistant Professor. |
1867 - 1944 
Amos Heller A.A. Heller was an American botanist and plant collector who spent much of his academic career on the faculty of the California Academy of Sciences and University of Nevada. |
1875 - 1941 
Arthur Hill Arthur William Hill was an English plant anatomist and plant collector who served as Director of the Royal Botanic Gardens, Kew. Hill collected in South America and the Caribbean, among other places. |
1915 - 2006 
James C. Hinton James (Jaime) Hinton was a Mexican plant collector who as a youth accompanied his father, George Hinton, on collecting trips in southern and southwestern Mexico. These trips used mules to carry equipment and plant presses. James continued collecting from his apple ranch in the state of Coahuila, Mexico in the late 20th Century, collaborating with faculty (Billie Turner) and graduate students from the University of Texas at Austin. Several new taxa were named from these collaborations, based on collections made by Hinton. |
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1882 - 1943 
George Hinton George B. Hinton was an English metallurgist, botanist and plant collector centered in Mexico who collected tens of thousands of specimens to distribute to various herbaria. |
1851 - 1923 
Romyn Hitchcock Romyn Hitchcock was a member of the first class of Cornell University and was a chemist, ethnologist, journal editor, and botanist. |
1870 - 1932 
Ralph Hoffmann Ralph Hoffmann was an American teacher, ornithologist, and botanist, noted as having authored the first true field guide to birds, A Guide to the Birds of New England and Eastern New York, in 1904. He eventually settled in Santa Barbara, California, and collected plants extensively in the Channel Islands and Mexico. While collecting on San Miguel Island, he fell from a cliff to his death. |
1853 - 1929 
John Holzinger John Michael Holzinger was a German-American bryologist who collected extensively in North America. |
1891 - 1956
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Edwin Honey Edwin Earle Honey was a Cornell University graduate of plant pathology who described the fungal species Monilinia azaleae, which affects members of the Rosaceae and Ericaceae families. Some of his Wisconsin plant collections are deposited at Cornell University (BH). |
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1785 - 1865 
William Hooker William Jackson Hooker, not to be confused with botanical illustrator William Hooker, was an English plant collector, botanical illustrator, and the first director of the newly-public Royal Botanic Gardens, Kew, where he founded its herbarium and expanded its plantings. |
1769 - 1859 
Alexander Humboldt Alexander von Humboldt was a German botanist, plant geographer, explorer, plant collector and naturalist who was also considered to be a polymath with broad and deep interests in philsophy, science and history. His early collections and descriptions of the vegetation of Central and South America arose from trips between 1799 and 1804. His most famous work was Kosmos, an attempt to bring together all aspects of science understood at the time. |
1845 - 1890 
Conrad Indebetou Conrad Indebetou (or Johan Conrad Indebetou) was a Swedish apothecary and plant, lichen, and fungus collector. |
1923 - 2020 
Roland Jefferson Roland Maurice Jefferson was an American plant collector and horticulturist, and was the first Black botanist at the United States National Arboretum. He is best known for his efforts collecting and breeding ornamental cherry trees, including those in the DC Tidal Basin. |
1867 - 1946 
Willis Jepson Willis Linn Jepson was an American plant taxonomist and plant collector most famous for his Manual of the Flowering Plants of California published in 1925. The herbarium at University of California, Berkeley, is named for him. |
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1826 - 1903
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Henry Jesup Henry Griswold Jesup was an American Congregational minister and botanist, on the faculty of Dartmouth College. His personal herbarium of some 10,000 specimens was deposited with Dartmouth College. |
1898 - 1960 
Ivan Johnston Ivan Johnston was an American botanist with expertise in the flora of the southwestern U.S., Mexico, and the Andes, and was an authority on the Boraginaceae. |
1716 - 1779 
Pehr Kalm Pehr Kalm was a Swedish botanist and disciple of Carl Linnaeus who was commissioned by the Royal Swedish Academy of Sciences to travel to North America and seek plants and seeds with agricultural potential. |
1841 - 1918 
George Kennedy George G. Kennedy was a plant collector and a founder of the New England Botanical Club whose sizeable personal herbarium was donated to the Gray Herbarium at Harvard. |
1845 - 1932
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Abbie Kent Abbie W. Kent was an American educator and later an evangelical missionary at Kobe Girls' School (later Kobe College), Japan (1887-1897), during which time she made some plant collections, now deposited at Cornell University (BH). |
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1858 - 1934 
Frederick Kilborne Frederick L. Kilborne was an animal parasitologist and pathologist who, alongside two fellow Cornell University alumni, proved that Texas cattle fever was caused by a tick-borne parasitic protozoan, the first time an infectious disease was shown to be transmitted by an arthropod. |
1907 - 1999 
Irving Knobloch Irving William "Knobby" Knobloch was an American educator, fern specialist, and biologist known for identifying a number of new plant and animal species while managing a copper mine in Mexico in the 1930s. |
1876 - 1956 
Clarence Knowlton Clarence H. Knowlton was an American plant collector in New England who published on local floras. His vocation was schoolteacher and school administrator, and later he worked for D.C. Heath & Co., publishers in Massachusetts. |
1906 - 1994 
Andre Kostermans Andre Kostermans was a Dutch plant systematist, collector, and authority on the flora of Southeast Asia, employed by the Forest Research Institute, Buitenzorg. |
1813 - 1866
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Karl Kotschy Theodor Kotschy was an Austrian botanist, born in what is today part of Poland, who collected over 300,000 plant specimens in the Middle East and North Africa, now in the herbarium of Naturhistorisches Museum Wien (W). The genus Kotschya is named for him. |
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1864 - 1947 
William Langworthy William F. Langworthy was a professor of Biology at Colgate University. Some of his Hamilton Co., NY, plant collections are deposited at Cornell University (BH), where he studied for a short time. |
1892 - 1968 
Emery Leonard Emery C. Leonard was an American botanist and plant collector associated with the Smithsonian Institution, known for his work with Acanthaceae. He collected extensively in Haiti and in the eastern United States. |
1841 - 1913 
George Letterman George Washington Letterman was an American schoolteacher, amateur botanist, and plant collector. |
1813 - 1856 
Frederik Liebmann Frederik Michael Liebmann was a Danish botanist and phycologist who collected in Mexico and the Caribbean and who described nearly 100 Mexican ferns. |
1844 - 1906 
Thomas Lucy Thomas F. Lucy was a naturalized English-American botanist and medical doctor who collected plants extensively in Chemung and Steuben Counties of New York. |
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1817 - 1895 
David Lyall David Lyall was a Scottish botanist and associate of Joseph Hooker, as well as an explorer of Antarctica, New Zealand, the Arctic, and North America. |
1831 - 1920 
John Macoun John Macoun was an Irish-Canadian educator, naturalist and botanist who explored Canada with the Canadian Pacific Railway and Geological and Natural History Survey of Canada expeditions. |
1842 - 1893 
Isaac C. Martindale Isaac Martindale was a New Jersey botanist and banker who amassed one of the largest private herbaria in the United States and had a particular interest in ballast plants and in those of the New Jersey pine barrens. |
1794 - 1868 
Karl Martius Karl von Martius was a German botanist who spent much time exploring Brazil and was known as a palm expert. His Historia Naturalis Palmarum (1823-1850) described all known palm genera of that time, and Flora Brasiliensis was initiated in 1840. His personal herbarium of over 300,000 specimens is at the National Botanic Garden of Belgium. |
1894 - 1978 
Eizi Matuda Eizi Matuda was a Japanese-Mexican botanist and plant collector associated with Universidad Nacional Autonoma de Mexico (UNAM), and was an expert in the family Araceae. The cactus Mammillaria matudae, as well as several other plants and animals, is named for him. |
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1940 - 2017 
Sidney McDaniel Sidney McDaniel was an American plant collector and faculty member at Mississippi State University. His personal herbarium, including many collections from the Amazon basin and Central America, was deposited at Missouri Botanical Garden (MO). |
1819 - 1870
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John McMinn John M. McMinn was an American civil engineer and amateur botanist and geologist responsible for several major road and railroad installations in central Pennsylvania in the mid-19th Century. |
1799 - 1880 
Samuel Mead Samuel Barnum Mead was a medical professional and prolific plant collector based in Illinois. The rare Mead's milkweed (Asclepias meadii Torr. ex A. Gray) is named after him. |
1914 - 2010 
Adrianus Meeuse Adriaan Meeuse was an Indonesian-Dutch plant morphologist probably best known for his theories of angiosperm evolution. He was involved with applied research on fiber plants in the 1940s, then taught at what would become the Botanical Research Institute (Pretoria, South Africa) in the 1950s, and later at University of Amsterdam. |
1923 - 2003 
Willem Meijer Willem Meijer was a Dutch botanist with expertise in tropical hepatics, who was curator of the herbarium at University of Kentucky for 27 years. |
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1829 - 1903 
Joseph Mellichamp Joseph Hinson Mellichamp was an American physician and Confederate Army surgeon, as well as an amateur botanist who collected widely in the American southeastern states. |
1856 - 1927
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Milton Merchant Milton Merchant was an American physician and cattle rancher whose early New York State plant collections were deposited at Cornell University (BH). |
1876 - 1956 
Elmer Merrill Elmer Drew Merrill was an American botanist and taxonomist who specialized in Asian-Pacific flora and worked mainly in the Philippines. |
1870 - 1938 
Ynes Mexia Ynes Mexia was a prolific Mexican-American plant collector who worked closely with Alice Eastwood and collected in South and Central America and Alaska. |
1854 - 1923 
Charles Millspaugh Charles Millspaugh was an American botanist, and a nephew of Ezra Cornell. He was the first curator of botany at the Field Museum in Chicago and built the botanical collection many-fold, incorporating specimens from the World's Columbian Exposition of 1893, and later his own collections from around the world. |
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1926 - 2012 
Jose Molina Rosito Jose Antonio Molina Rosito was a Honduran botanist and expert on the flora of Honduras, on the faculty of the Zamorano Pan-American School of Agriculture. He was the discoverer of the national flower of Honduras, the orchid Rhyncholaelia digbyana. |
1911 - 1962 
Joseph Monachino Joseph Vincent Monachino was a Sicilian-American plant taxonomist employed by the New York Botanical Garden and later by Merck. He collected extensively in South America and elsewhere, and was known for his identification skills. |
1859 - 1931 
Veranus Moore Veranus Alva Moore was an American pathologist, bacteriologist, and public health advocate who was a professor in, and eventually Dean of, the Veterinary College at Cornell University. |
1906 - 1987 
Lucy B. Moore Lucy B. Moore was a New Zealand plant collector, taxonomist, phycologist, and weed scientist, who contributed to Flora of New Zealand (1952-1970). |
1916 - 2010 
Reid Moran Reid Moran was an American botanist who became the curator of botany at the San Diego Natural History Museum, and a world authority on the succulent family Crassulaceae. Moran also collected extensively on Guadalupe Island and Cedros Island off the coast of Baja California, Mexico. |
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1827 - 1894
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Thomas Morong Thomas Morong was a Congregational minister and botanist who specialized in aquatic plants. After retirement from the clergy he became curator of the herbarium at Columbia University. |
1928 - 2011
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John Morton John K. Morton was an English botanist, cytologist, palynologist, and entomologist. He worked in England, West Africa, and North America and retired from the faculty of University of Waterloo, Ontario, in 1994. An expert in the flora of Ontario, he was a contributor to Flora of North America. His extensive personal plant collections were deposited at Missouri Botanical Garden (MO) and Royal Ontario Museum (TRT), with his insect collection going to the Canadian National Collection (CNC). |
1735 - 1807 
Luis Nee Luis Nee was a French-born Spanish pharmacist and plant collector interested in medicinal plants, who traveled with the Malaspina Expedition to explore the east and west coasts of South America, Central America and Mexico. He collected and later described the first species of Quercus from Mexico and California in 1801. |
1786 - 1859 
Thomas Nuttall Thomas Nuttall was an English botanist and ornithologist who spent several decades exploring North America, largely from the midwest to the Pacific coast. He described over 100 species and genera, publishing in 1818 The Genera of North American Plants and later contributed to Torrey & Gray's Flora of North America before returning to England. |
1864 - 1929 
Charles Orcutt Charles Russell Orcutt was a botanist and conchologist who collected in the American west, wrote and published The West American Scientist and subsequently relocated to Jamaica where he continued to collect plants and shells until his death from malaria at age 65. |
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1858 - 1937 
George Osterhout George Everett Osterhout was a businessman in the lumber industry, and an enthusiastic amateur plant collector of the Rocky Mountains. His personal herbarium of 20,000 specimens was deposited with the Rocky Mountain Herbarium. |
1875 - 1962 
Ernest Palmer Ernest J. Palmer was a Missourian who began plant collecting for Benjamin Franklin Bush and later for Charles Sprague Sargent of the Arnold Arboretum. Palmer began sending specimens to Sargent for identification in 1901 and became expert in the genus Crataegus. He eventually moved to Boston and worked at the Arboretum until 1948. |
1831 - 1911 
Edward Palmer Edward Palmer was an English-American physician and botanist, who collected widely over the United States, Mexico, and South America. His 100,000 plus collections were widely distributed among important institutions and botanists. Palmer's 1871 Food Products of the North American Indians was an important ethnobotanical work, vouchered with herbarium specimens. |
1924 - 2004
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Gopinath Panigrahi Gopinath Panigrahi was an Indian plant taxonomist and cytogeneticist long associated with the Botanical Survey of India. He collected more than 20,000 specimens over his lifetime. |
1838 - 1928 
Samuel Parish Samuel Bonsall Parish was an American amateur botanist and floristician who collected extensively in southern California and published floras of the region. His personal herbarium was sold to Stanford University, where he was named Honorary Curator. |
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1895 - 1966 
Lorenzo Parodi Lorenzo Raimundo Parodi was an Argentinian botanist and agronomist with expertise in the family Poaceae (grasses). He served on the faculty of, where his herbarium of 15,000 specimens may be found today. Parodi published a great deal, including the well-known work on cultivated plants Enciclopedia Argentina de Agronomia (1959). |
1823 - 1890 
Charles Parry Charles Parry was an English-American physician and botanist who explored and collected extensively in the American west, as part of the United States and Mexican Boundary Survey among other expeditions, and who described and named Pinus torreyana and Picea engelmannii. |
1869 - 1964 
Jane Patten Jane Boit Patten was an American botanist whose Central and Southern European botanical collections were given to the Gray Herbarium at Harvard University. |
1754 - 1840 
Jose Pavon Jose Antonio Pavon was a Spanish botanist who, along with Hipolito Ruiz and Joseph Dombey, participated in the first of three expeditions to the New World at the behest of King Carlos III of Spain which ulitmately resulted in the publication of the three volume Flora Peruviana et Chilensis. |
1881 - 1964 
Arthur Pease Arthur S. Pease was an American professor of classics at Amherst College as well as an amateur botanist who collected widely across Canada and New England, often on expeditions with M.L. Fernald. |
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1873 - 1961 
Anne Perkins Anne Perkins was an American physician, botanist and ornithologist who made extensive plant collections primarily in New York, Maine, and Florida. Many of these were deposited at Cornell University (BH). |
1790 - 1870 
George Perrottet George Samuel Perottet was a Swiss horticulturist, botanist, and natural history collector who established the Pondicherry Botanical Garden in India. He collected plants and animals in west Africa, Reunion, Java, and the Philippines, and published his Florae Senegambiae Tentamen between 1830-1833. |
1884 - 1964 
Neville Pillans Neville Stuart Pillans was a South African botanist and plant collector with a particular interest in stapeliads and orchids. He was instrumental in establishing the National Botanic Garden at Kirstenbosch. |
1892 - 1975 
Frederick Popenoe Wilson Popenoe was an American horticulturist and plant collector who sometimes wrote for National Geographic. He was employed by USDA and later the United Fruit Company in Honduras. |
1849 - 1893 
Karl Prantl Karl Prantl was a German plant physiologist and plant collector, best known for his collaborative wortk with Adolf Engler, especially Die Natuerlichen Pflanzenfamilien (1887-1915). |
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1838 - 1911 
Cyrus Pringle Cyrus G. Pringle was an American nurseryman, amateur botanist and plant collector (mainly in Mexico) whose collections numbered about a half million. |
1920 - 2015 
George Proctor George Proctor was an American plant taxonomist and floristician active in the Caribbean, especially Jamaica, where he worked at the Institute of Jamaica. He notoriously was convicted at age 86 of conspiracy to murder his wife and three others, and imprisoned for two years. |
1851 - 1941 
Carl Purpus Carl Albert Purpus was a German pharmacist and plant collector who settled in the United States (later residing in Mexico), earning a living by selling seeds and other plants such as cacti to German dealers. He also sold exsiccatae sets to herbaria and private collectors. Purpus explored the American west and Mexico and collected extensively, often co-collecting with Katherine and Townshend Brandegee, botanists in San Diego. Through the Brandegees he became connected with University of California as an official collector, and overall deposited some 16,000 specimens there. |
1774 - 1820 
Frederick Pursh Frederick Pursh was a German-American plant taxonomist and plant collector who was engaged by Meriwether Lewis to illustrate and describe plants collected during the Lewis and Clark expedition to the west. |
1905 - 1987
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Joseph Pyron Joseph Hicks Pyron was an American plant collector who studied the violets of Georgia for his M.S. degree, and illustrated McVaugh's Ferns of Georgia. Pyron was later associated with the American Camellia Society. |
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1926 - 2018 
Paul L. Redfearn Paul L. Redfearn was an American bryologist and plant collector on the faculty of Missouri State University. He also served as mayor of Springfield, Missouri, from 1978-1981. |
1941 - 2015 
James Reveal Jim Reveal was an American botanist and taxonomist of Polygonaceae, and a historian of early North American plant exploration. |
1896 - 1989 
Howard Rickett Howard W. Rickett was an American plant taxonomist and plant collector perhaps best known for his six-volume illustrated publication, Wild Flowers of the United States (1966-1973). |
1862 - 1928 
Joseph Rose Joseph Nelson Rose was an American botanist employed by USDA and the Smithsonian Institution, and was a frequent collaborator with Nathaniel Lord Britton. An expert on Apiaceae, Crassulaceae, and Cactaceae, Rose collected extensively in the American southwest and in Mexico. With Britton, he produced his magnum opus, the 4-volume The Cactaceae, published 1919%E2%80%931923. |
1839 - 1922 
Joseph Rothrock Joseph Trimble Rothrock was an American medical doctor, environmentalist, and forester who developed a state land acquisition program for Pennsylvania state forests and parks. |
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1896 - 1986
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Lucile Roush Lucile Roush was an American phycologist and plant collector, the spouse of paleobotanist and plant geographer Herbert Louis Mason. |
1806 - 1879
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Ferdinand Rugel Ferdinand Rugel was a German-American physician, pharmacist, and botanist who collected plants in the Appalachian region of the United States. The genus Rugelia is named for him. |
1754 - 1816
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Hipolito Ruiz Hipolito Ruiz Lopez, a Spanish pharmacologist and ethnobotanist, spent ten years collecting in Peru and Chile with Jose Antonio Pavon at the behest of King Carlos III of Spain, classifying and naming about 150 new genera and 500 new species of New World plants. |
1860 - 1931 
Per Rydberg Per Axel Rydberg was a Swedish-American plant collector and floristician of the Rocky Mountains and Great Plains, and the first curator of the New York Botanical Garden Herbarium. |
1901 - 1965 
Noel Sandwith Noel Yvri Sandwith was an English plant collector and taxonomist on the staff of the Royal Botanic Gardens, Kew, whose work mostly related to the Neotropics. Taxonomically, his special interest was Bignoniaceae. |
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1902 - 1975 
Hans-Joachim Schlieben Hans-Joachim Schlieben was a German horticulturist and botanist who collected extensively in Tanzania. |
1843 - 1906 
Jacob Schneck Jacob Schneck was an American physician and amateur botanist who collected plants, mainly in Indiana, and for whom the Schneck oak (Quercus shumardii var. schneckii) was named. |
1905 - 1980 
Per Scholander Per Fredrik Scholander was a Swedish-born Norwegian-American medical doctor, physiologist, and plant collector. His botanical interest was mainly geared toward physiology of arctic plants, though he did also participate in tropical expeditions. |
1820 - 1908 
Joachim Schuette Joachim Schuette was a German-American newspaper editor and plant collector centered in Wisconsin. The oak hybrid Quercus xschuettei and couple of other plants are named for him. |
1885 - 1972
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Richard Seydel Richard Seydel was a German plant physiologist, plant collector, and farmer who settled in what is today Namibia, as a farmer. |
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1863 - 1918 
John Shafer John Adolph Shafer was an American pharmacist and botanist who collected in the Caribbean islands as well as Argentina and Paraguay. Shafer was employed as Custodian, Section of Botany, Carnegie Museum of Natural History (CM) and later Museum Custodian, New York Botanical Garden (NY). The plant genera Shafera and Shaferocharis are named for him. |
1869 - 1913
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Edmund Sheldon Edmund P. Sheldon was an American forester, plant collector, and expert on the genus Astragalus, on the staff of USDA (Division of Botany) and the Oregon State Board of Forestry. Sheldon mysteriously disappeared in the Nevada desert in 1913. |
1861 - 1937 
Bohumil Shimek Bohumil Shimek was an American naturalist, prolific scientific collector and professor at University of Iowa for over 40 years who devoted years of study to the ecology and geologic history of the Iowa prairies and made the important conclusion that loess deposits resulted from the action of wind, not water. |
1758 - 1796 
John Sibthorp John Sibthorp was an English plant collector and professor at University of Oxford, known for his 1794 Flora Oxononiensis and his posthumously published Flora Graeca (1806-1830). His personal herbarium was bequeathed to the Fielding-Druce Herbarium, University of Oxford. |
1794 - 1861 
Andrew Sinclair Andrew Sinclair was a Scottish surgeon and botanist in the Royal Navy whose tours of duty brought him to the Americas, where he collected plants. He later served in Australia and New Zealand where he continued to collect botanical and zoological specimens, the plants going to Sir William Hooker and the animal collections to the British Museum. |
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1869 - 1938 
John Small John Kunkel Small was an American botanist and plant collector who served as herbarium curator at Columbia University and, beginning with its formation in 1938, at the New York Botanical Garden, and was an expert in the flora of the southeastern United States, especially Florida. |
1829 - 1928 
John Smith John Donnell Smith was an American plant taxonomist who was wounded in the American Civil War at Gettysburg and lived to be 99 years old. He was an important collector of plant specimens in Central America. |
1867 - 1947 
Johannes Smith Johannes Jacobus Smith was a Dutch floristician, plant collector, and orchidologist at Buitenzorg Botanical Gardens (Bogor), who collected extensively in Indonesia and New Guinea. |
1817 - 1893 
Richard Spruce Richard Spruce was an English bryologist, explorer and plant collector who famously explored the Amazon basin, collecting plants for William Jackson Hooker. He also secured seeds and plants of cinchona, the source of quinine, for cultivation in India. |
1892 - 1991 
Harold St. John Harold St. John was a professor of botany at University of Hawaii, Manoa, who collected extensively across the Pacific region. |
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1850 - 1942
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Edward Steele Edward S. Steele was an American botanist and plant collector employed at the United States National Herbarium (US), where most of his collections were deposited. |
1909 - 1988 
Julian Steyermark Julian Steyermark was an American floristician of North and South America, specializing in the family Rubiaceae, who collected more than 130,000 specimens in his lifetime. His Flora of Missouri (1963) is still a standard reference work. Steyermark was also an editor of the multivolume Flora of the Venezuelan Guayana. |
1921 - 2017
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Ralph E.S. Tanner Ralph E.S. Tanner was an English soldier, social scientist and plant collector, whose collections from East Africa were given to the Royal Botanic Gardens, Kew. |
1818 - 1898
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Edward Tatnall Edward Tatnall was an American plant collector in Delaware, and the author of Catalogue of the Phanerogamous and Filicoid Plants of Newcastle County, Delaware. His personal herbarium was donated to Colorado College, Colorado Springs. |
1833 - 1882
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Julius Tauscher Julius A. Tauscher was a Hungarian physician, ornithologist, and botanist. He was a prolific collector of the Hungarian flora, and exchanged thousands of specimens with other botanists in his lifetime. |
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1913 - 1998
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Charles Arthur Jr. Taylor Charles A. Taylor, Jr. was an American plant collector and herbarium curator (South Dakota State University) who earned his master's degree at Cornell University, and for whom the C.A. Taylor Herbarium at SDSU is named. |
1840 - 1911 
Ellen Thompson Ellen Powell Thompson was an American botanist, teacher and suffregaette. She was sister of John Wesley Powell, and spouse of the geographer Almon Harris Thompson, and participated in the second Powell Expedition in the American west in 1872. On this expedition, Ellen collected numerous plant specimens in the vicinity of Kabab, Utah, and kept an extensive diary. |
1863 - 1954 
Emma Thompson Emma Jane Thompson was an American physician and botanist who mainly collected in Connecticut. |
1819 - 1878
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George Thomson George Thomson was a Scottish Christian missionary in Cameroon who collected botanical specimens for The Royal Botanical Gardens, Kew as well as the British Museum. |
1817 - 1862 
Henry Thoreau Henry David Thoreau was an American naturalist, plant collector, philosopher, and writer best known for his publications Walden (1854) and Civil Disobedience (1848). |
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1656 - 1708 
Joseph Tournefort Joseph Pitton de Tournefort was a French botanist who explored and collected extensively in lands along the Mediterranean and Black Seas. He is credited with being the first to conceptually distinguish between genus and species, and is likewise credited with coining the word "herbarium." |
1863 - 1946
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Edward Townsend Edward C. Townsend was an American plant collector and schoolteacher whose herbarium specimens may be found at Cornell University (BH) and Washington State University (WS), and elsewhere. A notable collection he made in the 1890s was of the now-extinct legume Orbexilum macrophyllum in western North Carolina. |
1854 - 1937 
Frank Tweedy Frank Tweedy was an American civil engineer, topographer and plant taxonomist/collector who worked extensively in the northeastern United States. |
1796 - 1854 
Jens Vahl Jens Vahl was a Danish pharmacist and botanist who explored Greenland and collected extensively there in the 1820s-1830s. |
1842 - 1890 
Joseph von Schrenk Joseph von Schrenk was a German-American botanist, pharmacognosist, and educator whose personal herbarium of some 2500 specimens, mostly from New York state, were donated to Cornell University by Schrenk's widow and son around 1899. |
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1851 - 1900 
Arthur Waghorne The Reverend Arthur C. Waghorne was an English Anglican missionary who immmigrated to Newfoundland and, despite having no botanical training, became known as the island's first resident botanist. Waghorne collected avidly and sent specimens to botanists in North America and Europe for identification, ultimately issuing a species list for Newfoundland, Labrador and St. Pierre et Miquelon over three volumes. |
1885 - 1958 
Francis Ward Frank Kingdon Ward was a British plant explorer, collector and author who made expeditions to Tibet, China, Myanmar and India and was a spy for the British India Office in the 1940s. |
1837 - 1880
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Jean Warion Jean Pierre Adrien Warion was a French medical doctor and amateur botanist employed by the French army. |
1911 - 1998 
Barton Warnock Barton H. Warnock was an American floristician and plant collector with expertise in the plants of the Trans-Pecos area and northern Chihuahua Desert. |
1812 - 1866
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Josef V. Warscewicz Jozef Warszewicz was a Polish-Lithuanian horticulturist and plant collector who worked as a gardener at the Botanical Garden in Berlin in the early 1840s, and for the next decade or so collected and supplied Central and South American plants for European botanical gardens. |
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1826 - 1892 
Sereno Watson Sereno Watson was an American physician, chemist, mineralogist, educator, and botanist who succeeded Asa Gray as curator of the Gray Herbarium, Harvard University. |
1858 - 1929
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Emile Williams E.F. Williams was a civil engineer, professional rug importer, and amateur botanist whose personal herbarium of some 17,000 New England specimens was deposited at Harvard University in 1919. |
1921 - 1998 
John Wurdack John J. Wurdack was an American botanist and Curator of Botany at the Smithsonian Institution. An expert on the Melastomataceae, he published on that family in floras of Venezuela, Ecuador, and the Guianas. |
1826 - 1882 
Maude Young Maud Jeannie Young was a teacher, writer, and botanist from Beaufort, North Carolina, who briefly served as the State Botanist of Texas. She published Familiar Lessons in Botany, with Flora of Texas in 1873, the first flora of the state. Her personal herbarium was destroyed in the Galveston hurricane of 1900. |