Query: Flora of Eastern North America
Relevant documents:
Erythronium albidum
Erythronium americanum
Saururus cernuus
Podostemum ceratophyllum
Eriocaulon parkeri
Phlox maculata
Carex crinita
Carex gracillima
Carex squarrosa
Juncus canadensis
Symphyotrichum undulatum