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 Onagraceae (Evening-Primrose Family) Look Alikes: G. parviflora is an annual with a narrow, elongate inflorescence, flowers less than 3 mm long, and pubescent fruit. Flowering/Fruiting Period: June-September/July-October. Habitat: Sub-irrigated, alluvial soils of drainage bottoms surrounded by mixed grass prairie. Elev. 5800-6200 ft. Photo Copyright © 1999 by S. Spackman Distribution: Endemic to SE Wyoming, W Nebraska and NE Colorado (Boulder, Douglas, Larimer and Weld Cos.). References: Fertig 1994a; Floyd 1995; O’Kane 1988. Please send comments to: Colorado Natural Heritage Program 254 General Services Building, Colorado State University · Fort Collins, CO 80523 · (970) 491-2992