Neottia bifolia (Rafinesque) Baumbach. Southern Twayblade. Phen: Jan-Jul; Mar-Aug. Hab: Swamps, second terraces in floodplain forests, wet woods under Rhododendron maximum, Coastal Plain bogs. Dist: Mainly a Southeastern Coastal Plain species, from NJ south to wc. peninsular FL (Kunzer et al. 2009) and west to e. TX, but also scattered inland of the Coastal Plain and north into VT and s. Canada.

Origin/Endemic status: Native

Synonymy: = AqW, K3, K4, NE, NY; = Listera australis Lindl. – Ar, C, ETx1, F, FNA26, G, GW1, K1, Pa, RAB, Tn, Tx, Va, W, WH3, Brown (2002), Correll (1950), Luer (1975); = n/a – Tat; = Ophrys australis (Lindl.) House – S, S13

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACW
• Eastern Mountains and Piedmont: FACW
• Great Plains: FACW
• Northcentral & Northeast: FACW

Heliophily: 1