E-Flora BC: Electronic Atlas of the Flora of BC

Isoetes maritima Underw.
coastal quillwort (maritime quillwort)
Isoetaceae (Quillwort family)

Introduction to Vascular Plants

Photograph

Map

Distribution of Isoetes maritima
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Species Information

General:
Perennial aquatic or semiterrestrial plants from a short, 2-lobed rootstock.

Leaves:
Deciduous in winter, pliant or stiff, 5-20 cm long.

Source: The Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source: The Illustrated Flora of British Columbia

Habitat and Range

Lake margins and shallow water in the lowland and montane zones; frequent in coastal BC, rare in SC BC; amphiberingian, N to AK and S to WA; E Asia (Bering Island).

Source: The Illustrated Flora of British Columbia

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer.

Synonyms

Synonyms and Alternate Names:
Isoetes beringensis
Isoetes echinospora subsp. maritima (Underw.) A. Löve
Isoetes echinospora var. maritima (Underw.) A.A. Eaton
Isoetes macounii
Isoetes muricata subsp. maritima (Underw.) Hultén