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Isoetes mattaponica L.J. Musselman & W.C. Taylor. Mattaponi River Quillwort. Hab: Tidal rivers. Dist: Apparently endemic to freshwater tidal marshes along rivers flowing into the Chesapeake Bay (such as the Chickahominy, Pamunkey, and Mappaponi).

Origin/Endemic status: Endemic

Taxonomy Comments: A diploid relative of I. acadiensis (2n=22). See Musselman, Taylor, & Bray (2001) for additional information on this species.

Synonymy ⓘ: = AqW, K3, K4, Va, Musselman, Taylor, & Bray (2001); < Isoetes tuckermanii A.Braun – C

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL

Heliophily ⓘ: 8

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