Prodromus of a fern flora for Bolivia. III. Selaginellaceae Author Smith, Alan R. University Herbarium, 1001 Valley Life Sciences Bldg. # 2465, University of California, Berkeley, CA 94720 - 2465 Author Kessler, Michael Systematic Botany, University of Zurich, Zollikerstrasse 107, CH- 8008 Zurich, Switzerland text Phytotaxa 2018 2018-03-16 344 3 248 258 http://dx.doi.org/10.11646/phytotaxa.344.3.5 journal article 10.11646/phytotaxa.344.3.5 1179-3163 Selaginella erythropus (Mart.) Spring , in Martius, Fl. Bras. 1(2): 125. 1840 . Range: — Costa Rica ; Colombia to Bolivia (BE, CO, LP, SC); central and eastern Brazil . Ecology: —Common; terrestrial on moist riverbanks, steep, wet road banks, and in humid forests, sometimes forming dense colonies; to 1000 m . Notes: —Among the erect-stemmed species from Bolivia , only this and Selaginella haematodes have red stems. Selaginella erythropus is a smaller plant than S. haematodes , with more irregularly arranged branches.