Dicanthelium dichotomum (L.) Gould, Rosette Panic Grass
Synonymy: Panicum dichotomum L.
Lower Taxa: Dichanthelium dichotomum (L.) Gould var. barbulatum (Michx.) Mohlerbr.
Habit: Perennial, rosette forming grass
Habitat: Dry sandy soils; Open dry road edges, fields and mesic to dry woodlands
Rank/Status: S5/G5; same for variety
Wetland Status: FACU
Flowering & Reproduction: Early Summer, June-early July, vernal panicles, autumnal panicles late July-September; spikelets mature within month of pollination
Comments: Rosette panic grass is a common perennial grass on open dry, soils throughout the State of New Jersey. It is often observed with D. commutatum v. ashei, Danthonia spicata, Carex abicans, and Carex pensylvanica. This species is the type for the fall flowering panic grasses, and as such is the typical form. Upright culms glabrous with 3-7 linear lanceolate leaves, spikelets smooth, hairless or nearly so.
Reference Specimen: Burlington Co., Pemberton Twp, Joseph Arsenault #2392; mixed oak hardwood south of NB Rancocas Creek, June 2011.
Current distribution map reflects author, Chrysler herbarium specimens and Mary Hough, 1983. JRA, 4/2014