Scirpus hattorianus Makino. Northern Bulrush. Phen: Jun-Sep. Hab: Seepages, ditches, marshes, wet meadows, mostly at moderate to high elevations. Dist: NL (Newfoundland) to w. ON and WI, south to MD, NC, OH, and IN.

Origin/Endemic status: Native

Synonymy: = FNA23, Il, K1, K3, K4, Mi, NE, Pa, Va, Schuyler (1967); < Scirpus atrovirens Willd. – GW1, RAB, S, S13, W; < Scirpus atrovirens Willd. var. atrovirens – C, F, G, Tat, WV

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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: 6