Juncus secundus Palisot de Beauvois ex Poiret. Subgenus: Agathryon. Section: Steirochloa. Secund Rush, Lop-sided Rush. Phen: Jun-Oct. Hab: Dry woodlands and fields, rock outcrops. Dist: ME to IN, south to n. GA, c. AL, n. LA, and s. OK. Reports from the Coastal Plain of AL and MS are false, based on misidentification of J. dichotomus.

ID notes:Among section Steirochloa, J. secundus has individual flowers on short branches, and flowers borne secund along the branches of the inflorescence. This gives the flowers a more erect look in the field and is quite distinct among the section. The capsules are completely 3-locular, which can be seen in the field with a hand lens.

Origin/Endemic status: Native

Synonymy: = Ar, C, F, FNA22, G, GrPl, Il, K1, K3, K4, Mo1, NY, Pa, RAB, S, Tat, Tn, Va, W, WV, Kirschner (2002b), Kirschner (2002c); = Agathryon secundum (Palisot de Beavois ex Poir.) Záv.Drábk. & Proćków – Proćków & Záveská Drábková (2023)

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FAC
• Eastern Mountains and Piedmont: FACU
• Great Plains: FAC
• Midwest: FAC
• Northcentral & Northeast: FACU

Heliophily: 8