Table 20-2. (continued) 



Common and taxonomic names 



Family name 



Atlas 

 Number 



Habitat 



Spiranthes gracilis (Bigel.) Orchidaceae 



Beck 

 Southern slender ladies' tresses 



Betula caerulea-grandis Blanch. Betulaceae 

 Blue birch 



34 



35 



Sterile open soil, 

 thickets, open woods 



Drv woods 



Castanea dentata (Marsh.) 

 Borskh. 

 American chestnut 



Fagaceae 



36 



Dry, rocky acid 

 deciduous woods 



Geocaulon lividum (Richards.) Santalaceae 

 Fern. 

 Northern comandra 



37 Moss or damp humus, 

 coastal plateau "bogs 



Montia lamprosperraa Cham. 

 Blinks 



Portulacaceae 



38 



Springy wet shores, 

 brackish shores 



Arenaria groenlandica (Rentz.) Caryophyllaceae 



Spreng. 



Mountain sandwort 



Nuphar microphyllum (Pers.) Nymphaeaceae 

 Fern. 

 Yellow pond-lily 



Ranunculus ambigens S. Wats. Ranunculaceae 

 Water plantain or 

 spearwort 



Clematis verticillaris DC . 

 Purple clematis 



Ranunculaceae- 



Sassafras albidum (Nutt.) Nees. Lauraceae 

 Sassafras 



39" Granitic ledges and 

 gravels on coastal 

 headlands, islands and 

 mountain tops 



40 Pond-margins and 

 deadwaters (palustrine, 

 lacustrine, and 

 riverine) 



41 Sloughs, ditches and 

 muddy palustrine 

 emergent wetlands 



42 Rock slopes and 

 open woods 



43 Woods and thickets 



Adlumia fungosa (Ait.) Greene Fumariaceae 

 Climbing fumitory 



Dentaria maxima Nutt. 

 Toothwort 



Subularia aquatica L. 

 Awlwort 



Arabis missouriensis Greene 

 Rock cress 



Brassicaceae 



arassicaceae 



Brassicaceae 



44 Recently burned woods 

 and rocky wooded slopes 



45 Wooded streams and 

 calcareous wooded slopes 

 (riverine and lacustrine) 



46 Slow streams and sandy 

 margines of lakes 



47 Bluffs, ledges, and 

 rocky woods (northern) 



20-5 



10-80 



