CHAPTER 20: ENDANGERED, THREATENED AND RARE PLANTS 20-1 



DATA SOURCES 20-10 



ENDANGERED AND THREATENED PLANTS 20-10 



The Estuary Monkey Flower 20-10 



Ram's-Head Lady 's-Slipper 20-11 



Auricled Twayblade 20-12 



Pale Green Orchis 20-12 



Ginseng 20-13 



Orono Sedge 20-13 



Long's Bitter Cress 20-13 



RARE PLANTS 20-15 



UNIQUE OR RESTRICTED PLANT COMMUNITIES 20-15 



Coastal Plateau Bogs and Shrub Slope Peatlands 20-17 



Outer Headlands and Outer Island Communities 20-17 



Freshwater Intertidal Emergent Wetlands 20-18 



Brackish Intertidal Emergent Wetlands 20-18 



Atlantic White Cedar Forested Wetlands 20-18 



FACTORS OF ABUNDANCE 20-19 



PROTECTION OF ENDANGERED, THREATENED, AND RARE PLANT SPECIES . . . 20-20 



MANAGEMENT 20-21 



RESEARCH NEEDS 20-21 



REFERENCES 20-23 



Volume 4 

 APPENDICES 



Volume 5 

 DATA SOURCE APPENDIX 



Volume 6 

 ATLAS 



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