Epipactis Helleborine, var. Viridens (E. viridiflora, Reichenbach) a North American Plant
Gray, Asa, 1810-1888
Article
1879
Botanical bulletin
4
Issue: 9
206--207
BioStor
English
Hanover, Ind, [publisher not identified], 1875-1876
BioStor: https://biostor.org/reference/209330 DOI: https://doi.org/10.1086/325266
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