Checklist of vascular plants of Pickering and Ajax
By: by Douglas Lockrey and Edgerton Pegg ; with sketches by Doug.
Contributors: Pegg, Edgerton.
Edition: [2nd ed.]
Publisher: D. Lockrey]
Published: 1993
Place of publication: [Pickering, Ont
Language: eng
Number of pages: 47
Subjects: Botany -- Ontario -- Ajax.; Botany -- Ontario -- Pickering.; Plants -- Ontario -- Pickering -- Identification.; Plants -- Ontario -- Ajax -- Identification.
Notes: Cover title.

First ed. published: 1992.