1977. Andrus, Richard E. and Dale H. Vitt. Sphagnotheca Boreali-americana: Fascicle II. The Bryologist (4): 645-647. | Google Scholar |
1979. Andrus, Richard E.. Sphagnum Subtile (Russow) Warnst. and Allied Species in North America. Systematic Botany (4): 351-362. | Google Scholar |
1979. Andrus, Richard E.. Sphagnum bartlettianum in the Southeastern United States. The Bryologist (2): 198-203. | Google Scholar |
1979. Andrus, Richard E. and Dale H. Vitt. Sphagnotheca Boreali-americana: Fascicle III. The Bryologist (2): 295-298. | Google Scholar |
1980. Andrus, Richard E.. A Large Range Extension for Sphagnum henryense. The Bryologist (2): 239-242. | Google Scholar |
1980. Andrus, Richard E.. Sphagnum andersonianum, a New Species Endemic to Northeastern North America. The Bryologist (1): 60-64. | Google Scholar |
1983. Andrus, Richard E.. Two New North American Sphagnum Species in Section Subsecunda. The Bryologist (3): 257-262. | Google Scholar |
1984. Andrus, Richard E. and Dale H. Vitt. Sphagnotheca Boreali-americana: Fascicle IV. The Bryologist (4): 351-354. | Google Scholar |
1984. Andrus, Richard E.. Sphagnum austinii from Western North America. The Bryologist (4): 334-337. | Google Scholar |
1986. Karlin, Eric F. and Richard E. Andrus. Sphagnum Vegetation of the Low Shrub Bogs of Northern New Jersey and Adjacent New York. Bulletin of the Torrey Botanical Club (3): 281-287. | Google Scholar |
1987. Andrus, Richard E.. Nomenclatural Changes in Sphagnum imbricatum Sensu Lato. The Bryologist (3): 217-220. | Google Scholar |
1988. Andrus, Richard E.. Validation of Sphagnum steerei Andrus. The Bryologist (2): 137-137. | Google Scholar |
1988. Andrus, Richard E.. Two New Taxa of Sphagnum in Section Cuspidata. The Bryologist (4): 364-366. | Google Scholar |
1988. Andrus, Richard E. and Noel H. Holmgren. REVIEW OF: Winona H. Welch Festschrift, Noel H. Holmgren. The Bryologist (4): 382-382. | Google Scholar |
1988. Karlin, Eric F. and Richard E. Andrus. The Sphagnum Species of New Jersey. Bulletin of the Torrey Botanical Club (3): 168-195. | Google Scholar |
1991. Karlin, Eric F., Richard E. Andrus and Clyde F. Reed. The Sphagnum Flora of Delaware. Bulletin of the Torrey Botanical Club (1): 43-51. | Google Scholar |
1994. Andrus, Richard E., William R. Town and Eric F. Karlin. New York State Sphagnum Revisions. Bulletin of the Torrey Botanical Club (1): 69-72. | Google Scholar |
1995. Karlin, Eric F., Clyde F. Reed and Richard E. Andrus. Sphagnum flavicomans in the Southern Appalachians. The Bryologist (1): 154-155. | Google Scholar |
1995. Karlin, Eric F. and Richard E. Andrus. The Sphagna of Hawaii. The Bryologist (2): 235-238. | Google Scholar |
1997. Andrus, Richard E., Irene Bisang and Edwin Urmi. REVIEW OF: Conservation of Bryophytes in Europe. Means and Measures, Irene Bisang, Edwin Urmi. The Bryologist (2): 277-277. | Google Scholar |
2001. Cleavitt, Natalie L., Richard E. Andrus, Daniel D. Sperduto, William F. Nichols and William R. Town. CHECKLIST OF SPHAGNUM IN NEW HAMPSHIRE. Rhodora (915): 245-262. | Google Scholar |
2002. Cooper, David J., Richard E. Andrus and Christopher D. Arp. SPHAGNUM BALTICUM IN A SOUTHERN ROCKY MOUNTAIN IRON FEN. Madroño (3): 186-188. | Google Scholar |
2003. Andrus, Richard E. and Joannes A. Janssens. Sphagnum alaskense, a New Species from Western North America. The Bryologist (3): 435-438. | Google Scholar |
2007. Andrus, Richard E.. Sphagnum oregonense sp. nov. from Western North America. The Bryologist (1): 123-125. | Google Scholar |
2007. Andrus, Richard E.. Sphagnum atlanticum, a New Species from Eastern North America. The Bryologist (2): 274-278. | Google Scholar |
2008. Shaw, A. Jonathan, Richard E. Andrus and Blanka Shaw. Sphagnum beringiense sp. nov. (Bryophyta) from Arctic Alaska, Based on Morphological and Molecular Data. Systematic Botany (3): 469-477. | Google Scholar |