Rare Plant Field Guide

Table of Contents Home Introduction Acknowledgments Definitions Master Plant List USFS List BLM List Other Agencies Glossary References Plant Survey Form HELP! NDIS Home CNHP Home

Photo Copyright © 1999 by B. Jennings Coptaceae (Meadowrue Family) Look Alikes: T. heliophilum grows in open sunny sites (heliophilum = sun loving) while most other Thalictrum species prefer at least some shade. T. fenderi has larger leaflets (10-17 mm long and 8-12 mm wide), 7-14 carpels per pistillate flower, and occurs in aspen groves and meadows. Flowering/Fruiting Period: June-July/July-August. Habitat: Sparsely vegetated, steep shale talus slopes of the Green River Formation. Elev. 6300-8800 ft. Photo Copyright © 1999 by R. Rondeau Distribution: Colorado endemic (Garfield, Mesa and Rio Blanco Cos.). References: O’Kane 1987c and 1988; Scheck 1994; Wilken and DeMott 1983. Please send comments to: Colorado Natural Heritage Program 254 General Services Building, Colorado State University · Fort Collins, CO 80523 · (970) 491-2992