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Isoetes texana Singhurst, Rushing, & W.C. Holmes. Texas Quillwort, Tejas Quillwort. Phen: Jun-Oct. Hab: Alkaline ponds in wet prairie interdune swales. Dist: Endemic to Coastal Plain of TX (Aransas and Calhoun counties).

Origin/Endemic status: Endemic

Taxonomy Comments: A diploid species (2n=22). See Singhurst et al. (2011) for detailed information.

Synonymy: = K3, K4, TxFerns, Singhurst et al (2011)

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL

Heliophily: 9

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