Biodiversity Heritage Library

By: Knight, Richard L. - Randolph, Philip J. - Allen, George T. (George Thomas) - Young, Leonard S.‏ ‎ (Leonard Stephen) - Wigen, Rebecca J.

Type: Article

In: The Canadian field-naturalist

Volume: 104

Series:

Issue: 4

Date: 1990

Page Range: 545--551

Publication Info: Ottawa Ottawa Field-Naturalists' Club

Subjects: