Helleborine gigantea (Douglas ex Hooker) Druce
synonym of Epipactis gigantea Douglas ex Hooker
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 26: Agavaceae, Aloaceae, Burmanniaceae, Dioscoreaceae, Haemodoraceae, Iridaceae, Liliaceae, Orchidaceae, Pontederiaceae, Smilacaceae and Stemonaceae. Oxford University Press, New York.
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Brouillet L, Desmet P (2017). Database of Vascular Plants of Canada (VASCAN). Version 37.2. Université de Montréal Biodiversity Centre. Checklist Dataset https://doi.org/10.5886/zw3aqw accessed via GBIF.org on 2017-06-25.
There may be more details available about this name usage in the verbatim version of the record.
This record was last modified in GBIF on 07-Mar-2017. The source was last visited by GBIF on 07-Mar-2017.
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