Vascular Plants - Scrophulariaceae - Limosella:
Limosella aquatica
water mudwort, awl-leaf mudwort 
Blooms: June - October
Habit: herb
Duration: annual,perennial
Origin: Native
Distribution: Widespread in the Northern Hemisphere; found throughout the Pacific Northwest.
Habitat: In shallow water or wet mud, in the valleys and plains.
Species Description:

General: Tiny, glabrous, scapose perennial, with fibrous roots from a small crown.
Leaves: Leaves all basal, entire, the blades narrowly elliptic, 5-18 mm. long and 2-7 mm. wide, with long, slender petioles, up to 8 cm. long.
Flowers: Flowers usually solitary on long, slender, lax scapes, or sometimes in a cluster on short pedicels, in a whorl of leaves at the top of a naked stem; calyx 5-toothed, 2-3 mm. high; corolla white or pinkish, inconspicuous, the tube about equal to the calyx, the 5 lobes short and spreading; stamens 4; stigma capitate.
Fruits: Capsule 2-3.5 mm. high, 1-celled toward the tip.
Accepted Name:
Limosella aquatica L.
Synonyms:
(none)

Treated in Flora of the PNW as:
Limosella aquatica
Additional Resources:

PNW Herbaria Specimens: View list of all Limosella aquatica specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Limosella aquatica specimens in the WTU Herbarium database.

Washington Flora Checklist: Limosella aquatica treatment.

E-Flora BC: Limosella aquatica atlas page.

CalPhotos: Limosella aquatica images.

USDA Plants Database: Limosella aquatica.
Additional photographs of Limosella aquatica:
(click on a thumbnail to view larger photo)

Ben Legler, 2005

Ben Legler, 2005

Ben Legler, 2005

Ben Legler, 2005

Ben Legler, 2005

David Giblin, 2009

David Giblin, 2009

G. D. Carr, 2009

G. D. Carr, 2009

G. D. Carr, 2009

G. D. Carr, 2009

G. D. Carr, 2009

G. D. Carr, 2009

G. D. Carr, 2009

G. D. Carr, 2009

G. D. Carr, 2009
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Washington Native Plant Society
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