Atlas of the rare vascular plants of Ontario Atlas des plantes vasculaires rares de l'Ontario Argus, George W. (George William) contributor National Museum of Natural Sciences (Canada). Botany Division. contributor text book Ottawa Botany Division, National Museum of Natural Sciences = Division de la botanique, Musée national des sciences naturelles 1982-1987 1982 1987
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ENG FRE Text in English and French in parallel columns. "This atlas is the second phase of a continuing study of Ontario rare plants that began with the publication of The rare vascular plants of Ontario (Argus & White 1977)."--Introduction. Botany Ontario Rare plants QK86.C2 A69ra 1982 https://www.biodiversitylibrary.org/bibliography/51429 0662504151 15772655 10.5962/bhl.title.51429 CaBVA