66 Bulletin 1, Biological Society of Washington, 1918. 



Valeriana pauciflora 

 Valerianella chenopodifolia 



woodsiana 

 Campanula americana 

 Adopogon dandelion 

 Hieracium paniculatum 

 Eupatorium altissimum 



sessilifolium 



urticifolium 



verticillatum 

 Laciniaria scariosa 

 Solidago flexicaulis 



racemosa 



canadensis 



rigida 



rupestris 

 Aster oblongifolius 



shortii 



concinnus 



cordifolius 



corrigiatus 



curvescens 



oviformis 



ericoides pilosus 



schreberi 



umbelliformis 



gracilescens 



phlogifolius 



sagittifolius 



sylvestris 



tradescanti 

 Erigeron philadelphicus 

 Antennaria solitaria 

 Polymnia canadensis 

 Silphium trifoliatum 

 Chrysogonum virginianum 

 Rudbeckia triloba 

 Helenium nudiflorum 

 Heliopsis helianthoides 

 Rudbeckia fulgida 



triloba 

 Helianthus divaricatus 



dowellianus 

 Coreopsis tripteris 

 Mesadenia reniformis 

 Senecio pauperculus 



smallii 

 Cirsium virginianum 



Some well-known species which are chiefly confined to the 

 Piedmont but which range more or less upon the Coastal 

 Plain are: 



Osmunda claytoniana 

 Lycopodium clavatum 

 Chamaelirium luteum 

 Lilium canadense 

 Erythronium americanum 

 Unifolium canadense 

 Juglans cinerea 

 Quercus imbricaria 

 Cimicifuga racemosa 

 Aquilegia canadensis 

 Hepatica hepatica 

 Sanguinaria canadensis 

 Heuchera americana 



Saxifraga virginiensis 

 Hydrangea arborescens 

 Hamamelis virginiana 

 Opulaster opulifolius 

 Cercis canadensis 

 Panax trifolia 

 Aralia nudicaulis 

 Pyrola spp. 

 Sabbatia angularis 

 Collinsonia canadensis 

 Dianthera americana 

 Viburnum cassinoides 

 Senecio aureus 



