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 Copyright © 1999 by D. Erhard Ophioglossaceae (Adder's Tounge Family) Look Alikes: B. lunaria ssp. occidentalis has broadly fan-shaped pinnae. B. simplex has upper pinnae irregularly fused, not deeply divided. Spore-Producing Period: July-August. Habitat: Open exposed hillsides, burned or cleared areas, old mining sites. Elev. 9800-10,600 ft. Photo Copyright © 1999 by D. Erhard Distribution: S Canada, Maine, Michigan and Colorado (Boulder, Conejos, Gunnison, Larimer, Park, San Juan and Teller Cos.). References: Flora of North America Editorial Committee 1993; Wagner and Wagner 1990. Please send comments to: Colorado Natural Heritage Program 254 General Services Building, Colorado State University · Fort Collins, CO 80523 · (970) 491-2992