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 S. Spackman Asteraceae (Sunflower Family) Look Alikes: O. foliosa is glabrous to sparsely pubescent, and does not have strongly reflexed phyllaries. Flowering/Fruiting Period: Flowers in July. Habitat: Barren shale outcrops of the Smoky Hill Member of the Niobrara Formation in sparse shrublands or pinyon-juniper woodlands. Elev. 4800-5500 ft. Photo Copyright © 1999 by S. Spackman Distribution: Colorado endemic (Fremont and Pueblo Cos). References: Brown 1995; Spackman and Floyd 1996. Please send comments to: Colorado Natural Heritage Program 254 General Services Building, Colorado State University · Fort Collins, CO 80523 · (970) 491-2992