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 Asteraceae (Sunflower Family) Synonym: Parthenium ligulatum Look Alikes: Not likely to be confused with other species in same habitat. Flowering/Fruiting Period: May/June. Habitat: Barren shale knolls. Elev. 5400-6500 ft. Photo Copyright © 1999 by B. Jennings Distribution: Utah and Colorado (Rio Blanco and Moffat Cos.). References: Cronquist et al. 1994; Wiley-Eberle 1980. Please send comments to: Colorado Natural Heritage Program 254 General Services Building, Colorado State University · Fort Collins, CO 80523 · (970) 491-2992