Some observations on Isoetes drummondii, A.Br.
Osborn, T G B
Article
1922-01
Annals of botany
36
41--54
New York Botanical Garden, LuEsther T. Mertz Library
English
London, Academic Press [etc.],
DOI: https://doi.org/10.1093/oxfordjournals.aob.a089786