Atlas of the rare vascular plants of Ontario
By: edited by George W. Argus & David J. White = Atlas des plantes vasculaires rares de l'Ontario / publié sous la direction de George W. Argus & David J. White.
Contributors: White, David J.; Keddy, Cathy.; Argus, George W.; Pryer, Kathleen M.; National Museum of Natural Sciences (Canada). Botany Division.
Publisher: Botany Division, National Museum of Natural Sciences = Division de la botanique, Musée national des sciences naturelles
Published: 1982
Place of publication: Ottawa
Language: eng; fre
Subjects: Rare plants -- Ontario
Other titles: Atlas des plantes vasculaires rares de l'Ontario.
Notes: Text in English and French in parallel columns.

Part 3 edited by George W. Argus and Catherine J. Keddy; pt. 4 by Kathleen M. Pryer and George W. Argus.

Includes bibliographies.