HGURES 



Figure 1. Location of U. S. Fish and Wildlife Service-administered Research Natural Areas in Montana 5 



Figure 2. Big Island Research Natural Area: Map of plant communities and associatior\s 43 



Figure 3. Tepee Hills Research Natural Area: Map of distribution of plant communities and associations 51 



TABLES 



Table 2. Synonyms among scientific names for dominant graminoids 9 



Table 3. Matrix of plant communities / associations by Research Natural Area within Montana's National Wildlife 



Refuges (arranged alphabetically within lifeform) 1 1 



Table 4. Partial matrix of National Wildlife Refuge RNA criteria and sites in Montana 57 



APPENDICES 



Appendix A. Community survey form 



Appendix B. Plant species of special concern survey form 



Appendix C. Photographs of state -significant vegetation features 



Appendix D. Vegetation constancy-cover sampling data 



Appendix E. Element occurrence records for Montana plant species of special concern 



Appendix F. Illustrations of Montana plant species of special concern 



Appendix G. Vascular plants cited in this report, by common names, scientific names, and six-letter acronyms 



