Galium pilosum Aiton. Phen: May-Aug. Hab: Forests, woodland borders, longleaf pine sandhills, prairies, coastal prairies, clearings. Dist: S. NH west to MI, n. IL, MO, and KS, south to c. peninsular FL and TX.
Origin/Endemic status: Native
Taxonomy Comments: Two varieties have often been distinguished (see synonymy). Var pilosum has stems and leaves pubescent with spreading, straight hairs and has a wider distribution; var. puncticulosum has stems and leaves with short, upwardly curved hairs, and is more restricted to the south and east. These varieties need additional study.
Synonymy: = Ar, GrPl, Il, K3, K4, Mi, NcTx, Pa, S, Tn, Va, W, WV; = Galium pilosum Aiton var. pilosum – Tx; < Galium pilosum Aiton – Fl5, RAB, WH3; >? Galium pilosum Aiton ssp. pilosum – NY; > Galium pilosum Aiton var. pilosum – C, F, G, K1, NE; > Galium pilosum Aiton var. puncticulosum – C, F, G, K1, NE