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Atlantic mudwort, delta mudwort, limosella à feuilles subulées, Welsh mudwort

Habit Annuals mat-forming.

clustered or scattered along stolons;

blade linear to filiform, 1–3.5 × 0.1–0.2 cm, young leaves with tapering sheaths at base.


recurved in fruit, 1–2 cm.


calyx not purple spotted, lobes 0.5–1 mm, tube 1–2 mm;

corolla white to pale lavender, 2–4 mm, lobes rounded;

stamens attached at same level;

style 1 mm, capitate.


globular, 2–3 mm.


= 20.

Limosella australis

Phenology Flowering May–Aug(–Oct).
Habitat Muddy or sandy pond or stream margins, often in brackish water.
Elevation 0–10 m. (0–0 ft.)
from FNA
CT; DE; MA; MD; ME; NC; NH; NJ; NY; PA; RI; VA; NB; NL; NS; PE; QC; SPM; South America; Africa; Pacific Islands (New Zealand); Australia
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In the flora area, Limosella australis is native to eastern North America and is rare in much of its range. Reports of L. australis from California are likely based on misidentified material.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 17, p. 339.
Parent taxa Scrophulariaceae > Limosella
Sibling taxa
L. aquatica
Synonyms L. subulata, L. tenuifolia
Name authority R. Brown: Prodr., 443. (1810)
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