Canada's Plant Hardiness Site

Isoetaceae quillwort family
Isoetes howellii Engelm.
En: Howell's quillwort;
Fr: isoete de Howell

• [=Isoëtes melanopoda Gay & Durieu var. californica A.A.Eaton]
• [=Isoëtes nuda Engelm.]
• [=Isoëtes underwoodii L.F.Hend.]