⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-26618776, and has not been changed.
This name is a synonym of Isoetes karstenii var. anomala .
The record derives from Tropicos which reports it as a synonym (record 26618776
) with original publication details: Amer. Fern J. 22: 130 130 1933.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:130551-2
.