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 Cypripediaceae (Lady's Slipper Family) Synonyms: Cypripedium pubescens, C. parviflorum Look Alikes: C. fasciculatum has small purple or dull brown-purple flowers. Calypso bulbosa has a single pink flower and a single leaf. Flowering/Fruiting Period: Flowers June-July. Habitat: Aspen groves and ponderosa pine/Douglas-fir forests. Elev. 7400- 8500 ft. Photo Copyright © 1999 by B. Jennings Distribution: Yukon east to Newfoundland, south to Louisiana, Arizona and New Mexico. Colorado in Clear Creek, Custer, Douglas, El Paso, Huerfano, Jefferson, La Plata, Larimer, Las Animas, Montrose, Park and Pueblo Cos. References: Harrington 1954; Sheviak 1995; Welsh et al. 1993. Please send comments to: Colorado Natural Heritage Program 254 General Services Building, Colorado State University · Fort Collins, CO 80523 · (970) 491-2992