On polystely in the genus Primula
Gwynne-Vaughan, D. T. (David Thomas) 1871-1915
Article
1897-06
Annals of botany
11
307--325
New York Botanical Garden, LuEsther T. Mertz Library
English
London, Academic Press [etc.],
DOI: https://doi.org/10.1093/oxfordjournals.aob.a088651
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