Bibliography and Citations
.
2022. .
2022. .
1994.
Genus communities as a systematic tool in the study of New World Botrychium (Ophioglossaceae). Taxon. 32(1):51-63.
.
1983. Two moonworts of the Rocky Mountains: Botrychium hesperium and a new species formerly confused with it. American Fern Journal. 73(2):53-62.
.
1983. .
2019. A dwarf coastal variety of maidenhair fern, Adiantum pedatum. Canadian Journal of Botany. 56:26-1729.
.
1978. Three new species of moonworts (Botrychium subg. Botrychium) endemic in western North America. American Fern Journal. 76(2):33-47.
.
1986. .
2021. .
1994. Threatened and endangered (ferns and fern allies of North America). Bulletin of the American Fern Society. 15(4-5):32-34.
.
1988. Pteridology of the Highlands Biological Station area, southern Appalachians. Journal of the Elisha Mitchell Scientific Society. 86(1):1-27.
.
1970. .
1992. Noteworthy collections - Oregon. Madrono. 38:145-146.
.
1991. .
2017. Moonworts (Botrychium subg. Botrychium) of the upper Great Lakes Region, U.S.A. and Canada, with descriptions of two new species. Contributions of the University of Michigan Herbarium. 17:313-325.
.
1990. New species of moonworts, Botrychium (Ophioglossaceae), from North America. American Fern Journal. 71(1):20-30.
.
1981. The morphological and cytological distinctness of Botrychium minganense and B. lunaria in Michigan. Bulletin of the Torrey Botanical Club. 83(4):261-280.
.
1956. .
1985. Northern Idaho ground squirrel population monitoring progress report for the 2012 field season. Threatened and Endangered Species Projects E-28-10 & E-28-11.
.
2012. New records to the Animas Mountain flora, New Mexico. Southwestern Naturalist. 24(2):291-296.
.
1979. The Botrychium lanceolatum group in western North America. American Journal of Botany. 70 (5 Part 2):95.
.
1983. .
2016. Moonworts (Botrychium: Ophioglossaceae) in the Jonesville area, Butte and Tehama Counties, California. Madrono. 36(2):131-135.
.
1989. Northern Idaho ground squirrel population monitoring progress report for the 2011 field season. Threatened and Endangered Species Project E-28-9.
.
2011.