De 
Scirpus americanus Pers. Bulrush 
Java Farm. Infrequent in Hog Island salt marsh, at shore of 
Muddy Creek estuary. Associate species: Atriplex patula, Polygonum 
punctatum, Aster puniceus. 
Ivy Neck. One station: beach at Sand Point, on Cheston 
Peninsula. Associate species: Cakile edentula, Spartina alterniflora. 
Higman 295, 451, 937. 
S. americanus Pers. (extreme form) 
Ivy Neck. Salt marsh at head of Cheston Creek estuary. Associate 
species: Typha latifolia, Scirpus validus, Carex lurida, Juncus 
bufonius, Eleocharis sp. Higman 856. 
S. validus Vahl., var. creber Fern. Bulrush 
Java Farm. Infrequent in Hog Island salt marsh. Associate 
species: Scirpus americanus, Pluchea camphorata, Distichlis spicata, 
Panicum virgatum. 
Ivy Neck. Moderately abundant in salt marsh at head of Cheston 
Creek estuary. Co-dominant with Typha latifolia. Less frequent in moist 
woods of Cheston Creek drainage, under canopy of Platanus occidentalis, 
Diospyros virginiana, Liquidambar styraciflua. Higman 257, 294, 737. 
S. robustus Pursh. Bulrush 
Java Farm and Ivy Neck. Infrequent in salt marshes. Collected 
at Fox Point and at the head of Cheston Creek estuary. Also observed 
along the tidal portion of Muddy Creek. Associate species: Typha lat- 
ifolia, Pluchea camphorata, Scirpus americanus, Iva frutescens. Higman 
56), (85i/'. 
S. atrovirens Willd. Bulrush 
Ivy Neck. One station: moist woods at Cheston Creek drainage. 
Mature canopy of Platanus occidentalis, Diospyros virginiana, and 
Liquidambar styraciflua. Associate species: Carex crinita, Glyceria 
striata, Poa compressa, Eupatorium coelestinum, Carex vulpinoidea. 
Higman 728. 
S. rubricosus Fern. Bulrush 
Java Farm. Infrequent; stations in the freshwater part of 
Fox Creek marsh and at the marshy west end of the Phalaris arundinacea 
meadow north of the main building area. Associate species: Juncus 
effusus, Polygonum pensylvanicum, Impatiens capensis, Aster praealtus, 
Salix nigra, Sambucus canadensis. Higman 190, 495. 
