Page author: David Giblin
Marsilea oligospora
Nelson's pepperwort, Pacific clover-fern water-clover

Distribution: Occurring east of the Cascades crest in Washington Washington to California, east to Montana, Wyoming, and Utah.

Habitat: Ponds and marshes, in wet depressions in sagebrush and less commonly on river margins.

Spores: June-October

Origin: Native

Conservation Status: Not of concern


[none provided]

Accepted Name:
Marsilea oligospora Goodd.
Publication: Bot. Gaz. 33: 66. 1902.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Marsilea oligospora in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Marsilea oligospora checklist entry.

E-Flora BC: Marsilea oligospora atlas page.

CalPhotos: Marsilea oligospora photos.

USDA Plants: Marsilea oligospora information.

2 photographs:
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