In: Sydowia 74, (2021): 175-180; ISSN 0082-0598, DOI 10.12905/0380.sydowia74-2021-0175, Published online on December 14, 2021
Coprophilous myxomycetes associated with herbivore
dung in the northern Rocky Mountains
Steven L. Stephenson & Yuri K. Novozhilov
Department of Biological Sciences, University of Arkansas, Fayetteville, Arkansas 72701, United States
V.L. Komarov Botanical Institute of the Russian Academy of Sciences, Prof. Popov St. 2, 197376 St. Petersburg, Russia
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Stephenson S.L. & Novozhilov Y.K. (2021) Coprophilous myxomycetes associated with herbivore dung in the northern Rocky
Mountains. – Sydowia 74: 175–180.
During the 1989 field season, samples of herbivore dung were collected from Yellowstone National Park in Wyoming and the
National Bison Range in Montana. These samples were used to prepare a total of 114 moist chamber cultures, which yielded a
total of 12 species of coprophilous myxomycetes. Didymium nullifilum, Kelleromyxa fimilicola, and Perichaena liceoides were the
most abundant, and all three are species rarely recorded from substrates other than dung. Physarum spectabile was recorded for
the first time for dung, and only a tentative identification could be reached for two specimens of a problematic Trichia.
Keywords: fimicolous, moist chamber cultures, Montana, slime molds, Wyoming