E-Flora BC: Electronic Atlas of the Flora of British Columbia

Subularia aquatica subsp. americana L. G. Mulligan & Calder
Brassicaceae (Mustard family)

Introduction to Vascular Plants
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Distribution of Subularia aquatica subsp. americana
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Species Information

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Annual herb from a fibrous root; stems erect, 1-10 cm tall, glabrous.
Basal leaves erect, linear and awl-like, 1-5 cm long, about 1 mm wide, entire; stem leaves similar, few, reduced.
Inflorescences racemose, open; flower stalks 1-2 mm long, ascending to erect; petals white, 0.2-1 mm long; sepals green, 0.5-0.8 mm long, erect, glabrous.
Silicles, narrowly elliptic to broadly egg-shaped, 2-3 mm long, 1.5-2 mm wide, inflated, glabrous; beaks obsolete; seeds oblong, about 1 mm long, wingless.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet, usually shallow water along streams, shorelines and shallow ponds in the lowland, steppe and montane zones; infrequent in S BC; N to AK, YT and NT, E to NF and S to WY and CA.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

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General References