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 courtesy of the Colorado Natural Heritage Program Sinopteridaceae (Lipfern Family) Look Alikes: P. truncata and P. wrightiana have glabrous stipes and rachises, and sessile or short-stalked pinnae. Spore-Producing Period: July-September. Habitat: Dry shaded ledges and crevices of limestone, sandstone, and basalt. Elev. 4000-7200 ft. Photo Copyright © 1999 by S. Spackman Distribution: Quebec and Ontario, south to the Gulf states, Mexico and Central America. In Colorado in Baca, Larimer and Las Animas Cos. References: Coffin and Pfannmuller 1988; Flora of North America Editorial Committee 1993; Great Plains Flora Association 1986. Please send comments to: Colorado Natural Heritage Program 254 General Services Building, Colorado State University · Fort Collins, CO 80523 · (970) 491-2992