Table 20-2 (continued) 



Common and taxonomic names 



Family name 



Adas 

 Number 



Habitat 



Podostemum ceratophvllum Michx. Podostemaceae 

 Thredf oot 



48 



On rocks in streams 

 (riverine) 



Sedum ternatum Michx. 

 Stonecrop 



Sedum rosea (L. ) Scop. 

 Roseroot 



Crassulaceae 



Crassulaceae 



49 Damp, often calcareous 

 rocks, brooksides, etc. 



50 Along rocky coast and 

 cliffs 



Saxif raga pensylvanica L. 

 Swamp thickets 



Saxif ragaceae 



51 Sphagnous palustrine 

 scrub-shrub emergent 

 wetlands (boggy thickets 

 and swamps) 



Amelanchier interior Nielson. 

 Shadbush or Juneberrv 



Rosaceae 



52 



Hillsides and banks 

 of streams 



Crataegus ideae Sarg. 

 Hawthorn 



Rosaceae 



53 



Old fields, thickets, 

 and open woods 



Rubus chamaemorus L. 

 Baked -apple-berry 



Astragalus alpinus L. 

 var. bronetianus Fern. 

 Milk-vetch 



Rosaceae 



Fabaceae 



54 



55 



Coastal plateau bogs 

 (palustrine emergent 

 scrub-shrub wetland) 



Gravellv river banks 



Polygala cruciata L. var. 

 aquilonia Fern & Schub. 



Polygalaceae 



56 Damp peat, sands, 



sterile meadows near 

 coast 



Empetrum atropurpureum 

 Fern. & Wieg. 

 Purple crowberry 



Ilex glabra (L.) Gray 

 Inkberry 



Empetraceae 



Aquif oliaceae 



57 



58" 



Granitic or acidic 

 gravel £> sands along 

 coast (coastal plateau 

 peatlands?) 



Bogs (palustrine scrub- 

 shrub wetland), low 

 sandy and peaty soil 



20-6 



