The nature of the fertile spike in the Ophioglossaceae
Chrysler, Mintin Asbury, 1871-
Article
1910-01
Annals of botany
24
1--18
New York Botanical Garden, LuEsther T. Mertz Library
English
London, Academic Press [etc.],
DOI: https://doi.org/10.1093/oxfordjournals.aob.a089249
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