Asclepias syriaca var. kansana in New York State
Steyermark, Julian A. (Julian Alfred), 1909-1988 Swink, Floyd A
Article
1956
Rhodora
58
197--198
BioStor
[Cambridge, Mass., etc.] New England Botanical Club [etc.]
BioStor: https://biostor.org/reference/180565
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