http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Indicator plant species in Canadian forests
vi, 218 pages : color illustrations ; 18 cm.
Gordon S. Ringius and Richard A. Sims ; plant illustrations by Susan J. Meades.
Issued also in French under title: Plantes indicatrices de forêts canadiennes.
Distributed by the Government of Canada Depository Services Program.
Includes bibliographical references: pages 196-200.