Pityopsis nervosa (Willdenow) Dress. Phenology: Jun-Oct. Habitat: Longleaf pine sandhills, dry woodlands and forests (such as ridgetop pine/heath communities in the Mountains), roadbanks. Distribution: S. NJ, DE (formerly), s. OH, and c. AR south to s. FL and nc. TX; Bahamas; also in Mexico (CHP, OAX, PUE, TAM, VER) and Central America (Belize, Guatemala, Honduras).

Origin/Endemic status: Native

Taxonomy Comments: This is the oldest species name for the most common large-headed member of the P. graminifolia complex, including a wide range of variation and possible introgression with other taxa of Pityopsis. Most populations are tetraploid (2n=36), but occasional diploids have also been referred here.

Synonymy ⓘ: = Heterotheca nervosa (Willd.) Shinners; = Pityopsis graminifolia (Michx.) Nutt. — Nesom (2019a); = Pityopsis nervosa (Willd.) Dress var. nervosa — Ward (2004c); < Chrysopsis graminifolia (Michx.) Elliott — G; < Chrysopsis graminifolia (Michx.) Elliott var. graminifolia — SE1, misapplied; < Chrysopsis graminifolia (Michx.) Elliott var. latifolia Fernald — C, W; > Chrysopsis nervosa (Willd.) Fernald var. nervosa — F, Tat; > Chrysopsis nervosa (Willd.) Fernald var. stenolepis Fernald — F, Tat; > Chrysopsis nervosa (Willd.) Fernald var. virgata Fernald — F; > Heterotheca correllii (Fernald) H.E.Ahles — RAB; < Heterotheca graminifolia (Michx.) Shinners — Bah, Tx, Bowers (1972); > Heterotheca nervosa (Willd.) Shinners var. nervosa — RAB; > Heterotheca oligantha (Chapm.) Harms — Tx, misidentifications; < Pityopsis graminifolia (Michx.) Nutt. — Fl7, K4, Mex, Oh3, S, WH3, misapplied; < Pityopsis graminifolia (Michx.) Nutt. var. latifolia Fernald — Ar, FNA20, NcTx, Tn, Va, Semple & Bowers (1985); Erigeron nervosus Willdenow. Basionym: Erigeron nervosus Willd. 1803

Links to other floras: < Pityopsis graminifolia var. latifolia - FNA20

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: UPL (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: UPL (taxonomic split from wetland indicator species)
• Great Plains: FACU (taxonomic split from wetland indicator species)
• Midwest: UPL (taxonomic split from wetland indicator species)

Heliophily ⓘ: 7