Guide to the common Potentilla species of the Blue Mountains ecoregion.

Abstract

Aitken, Marti; Parks, Catherine Gray. 2004. Guide to the common Potentilla species of the Blue Mountains ecoregion. Gen. Tech. Rep. PNW-GTR-603. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 50 p. This guide will assist field identification of Potentilla species likely to be found in the Blue Mountains region. Many species formerly classified in the genus Potentilla are also included. Illustrations accompany the descriptions and glossary.