Flora of North America species comparison

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Limosella australis

Atlantic mudwort, delta mudwort, limosella à feuilles subulées, Welsh mudwort
Habit Annuals mat-forming.
Leaves

clustered or scattered along stolons;

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

recurved in fruit, 1–2 cm.
Flowers

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.
Capsules

globular, 2–3 mm.
2n

= 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.)
Distribution
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
[WildflowerSearch map]
[BONAP county map]
Discussion

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)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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