Natural History of District of Columbia — McAtee 67 



SELECTED SPECIES OF THE WASHINGTON FLORA 

 APPARENTLY ARE RESTRICTED TO THE 

 COASTAL PLAIN. 



THAT 



Lygodium palmatum 

 Dryopteris simulata 

 Anchistea virginica 

 Lycopodium adpressum 



carolinianum 

 Isoetes saccharata 

 Pinus taeda 

 Taxodium distichum 

 Potamogeton amplifolius 



compressus 



robbinsii 

 Lophotocarpus calycinus 

 Sagittaria subulata 



longirostra 

 Erianthus saccharoides 

 Paspalum longipilum 



psammophilum 

 Echinochloa waited 

 Panicum condensum 



mattamuskeetense 



spretum 



columbianum thinium 



ensifolium 



virgatum cubense 



stipitatum 



verrucosum 



clutei 



lucidum 



lanuginosum 



pseudopubescens 



addisoni 



oligosanthes 



scoparium 



aculeatum 

 Chaetochloa geniculata 

 Cenchrus carolinianus 

 Aristida gracilis 



Muhlenbergia schreberi palustris 

 Alopecurus geniculatus 

 Uniola laxa 

 Panicularia obtusa 



pallida 

 Festuca octoflora 



myuros 



Bromus villosus 



Elymus striatus arkansanus 



Cyperus fuscus 



microdontus 



rotundus 



erythrorhizos 



retrofractus 

 Eleocharis ochreata 



olivacea 



quadrangulata 

 Scirpus fluviatilis 



sylvaticus 

 Fuirena hispida 

 Rhynchospora macrostachya 



axillaris 



gracilenta 

 Scleria triglomerata 

 Carex gracillima 



conjuncta 



canescens disjuncta 



bromoides 



incomperta 



lanuginosa 



vestita 



lacustris 



folliculata 



intumescens 



collinsii 



abscondita 



glaucodes 



debilis 



oblita 



typhinoides 



louisianica 



rostrata 



bullata 



swanii 



styloflexa 

 Eriocaulon decangulare 

 Chrospermum muscaetoxicum 

 Melanthium virginicum 

 Stenanthium robustum 

 Tofieldia racemosa 

 Dioscorea paniculata 



