Arethusa bulbosa Linnaeus. Dragon's-mouth, Bog-rose, Arethusa. Phen: May-Jun. Hab: Sphagnous bogs and seepage swamps. Dist: NL (Newfoundland) and NL (Labrador) west to SK, south to NJ, DE, IN, and MN, and to NC and SC in the mountains, rare south of ME, MI, and MN.

ID notes: The lanceolate, plicate leaf (15-30 cm long, 2-4 mm wide) usually emerges after flowering, the flowering plant thus normally consisting (aboveground) of the solitary scape only. The lip is crested with fimbriate ridges, marked with yellow and purple.

Origin/Endemic status: Native

Synonymy: = AqW, C, F, FNA26, G, GW1, Il, K1, K3, K4, Mi, NE, NY, Pa, RAB, S, Tat, Va, W, Correll (1950), Luer (1975)

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Wetland Indicator Status:

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

Heliophily ?: 7