Maritime Quillwort

Isoetes maritima

Habitat 2

Emergent or aquatic, maturing in late summer in non-calcareous silty or peaty-sand, often amongst cobble and fine gravel; typically with little or no associated vegetation.

Distribution 2

Yukon: North Yukon; known only from Dezadeash Lake, Turner Lake, and Ivvavik National Park
North America: BC, Alberta, Alaska, Washington
World: Northwestern North America

Distinguishing Features 2

Isoetes maritima is separated from Isoetes echinospora by coarse pronounced spines on microspores and megaspores > 30 μM.

Sources and Credits

  1. (c) L.G. Johanson, some rights reserved (CC BY-NC-SA), uploaded by L.G. Johanson
  2. (c) L.G. Johanson, some rights reserved (CC BY-SA)

More Info

Range Map

iNaturalist.ca Map

Plant All (Plantae), Quillwort Family (Isoetaceae)