Pityopsis microcephala (Small) Small. Phen: Jul-Oct. Hab: Longleaf pine sandhills, sandy woodlands, pine savannas, pine flatwoods, other dry woodlands. Dist: Se. NC south to n. FL and west to se. LA (specimens from west of the Mississippi River formerly referred to this species were determined by Nesom (2019a) to represent P. tenuifolia).

Origin/Endemic status: Endemic

Other Comments: This taxon is diploid (2n=18).

Synonymy: = K4; = Pityopsis graminifolia (Michx.) Nutt. var. tenuifolia (Torr.) Semple & F.D.Bowers – Ar, FNA20, K1, K3, Semple & Bowers (1985); < Chrysopsis graminifolia (Michx.) Elliott var. microcephala (Small) Cronquist – SE1; < Heterotheca microcephala (Small) Shinners var. microcephala – Bowers (1972); < Heterotheca nervosa (Willd.) Shinners var. microcephala (Small) Shinners ex H.E.Ahles – RAB; < Pityopsis graminifolia (Michx.) Nutt. – Fl7, WH3; < Pityopsis microcephala (Small) Small – S, Nesom (2019a)

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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: 8