Page authors: Don Knoke, David Giblin
Juncus bufonius var. bufonius
toad rush

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast; circumboreal.

Habitat: Shores, wet meadows, seeps, vernal pools, ditches.

Flowers: April-September

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Wind


Fibrous-rooted annual, the several stems 5-20 cm. tall, dichotomous, often with flowers nearly to the base.


Leaves alternate, the blades linear, flat to involute, about 1 mm. broad and 0.5-10 cm. long; leaf bases sheathing, the margins membranous.


Flowers usually single at the nodes, subtended by two translucent bracts 1-2 mm. long; perianth 3-7 mm. long, the 6 segments with membranous margins, acuminate, the outer 3 the longer; stamens 6; style 0.3-1 mm. long.


Capsule subglobose to ovoid, 2-4 mm. long.

Accepted Name:
Juncus bufonius L. var. bufonius
Publication: Sp. Pl. 1: 328. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Juncus bufonius var. bufonius in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Juncus bufonius var. bufonius checklist entry

OregonFlora: Juncus bufonius var. bufonius information

E-Flora BC: Juncus bufonius var. bufonius atlas page

CalPhotos: Juncus bufonius var. bufonius photos

1 photographs:
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