Observations on variations in the flowers of Stachys sylvatica, Linn.
Cutting, E. M.
Article
1921-07
Annals of botany
35
409--425
New York Botanical Garden, LuEsther T. Mertz Library
English
London, Academic Press [etc.],
DOI: https://doi.org/10.1093/oxfordjournals.aob.a089765
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