Page authors: Don Knoke, David Giblin
Cascadia nuttallii
Nuttall's saxifrage

Distribution: Occurring west of the Cascades crest on the Olympic Peninsula and south in Washington; Washington south along the coast to southwestern Oregon.

Habitat: Wet banks and near waterfalls, usually growing in moss, from low to middle elevations in the mountains.

Flowers: March-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Glabrous, herbaceous perennials from slender, fragile rhizomes, the stems trailing to erect, branching or simple, often with very slender, stolonous basal shoots 5-40 cm. long.


Leaves alternate, glabrous, succulent, the lower ones entire with elliptic blades 1.5-4 mm. long and slender petioles of equal length; cauline leaves numerous, oblong-obovate, up to 19 mm. long and 11 mm. broad, with 3 lobes across the rounded tip.


Flowers 2-several in raceme-like, loose, simple to branched, bracteate cymes; calyx glabrous, 2.5-3.5 mm. long, the 5 lobes triangular; petals 5, white with pink veins, 2-4 times as long as the calyx lobes; stamens 10, equaling the calyx lobes, inserted with the petals; ovary 2/3 inferior.


Capsule 3.5-5 mm. long.

Accepted Name:
Cascadia nuttallii (Small) A.M. Johnson
Publication: Corr. Status Saxifraga nuttallii [textus s.n.]. 1927.

Synonyms & Misapplications:
Saxifraga nuttallii Small [HC]
Additional Resources:

PNW Herbaria: Specimen records of Cascadia nuttallii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Cascadia nuttallii checklist entry.

E-Flora BC: Cascadia nuttallii atlas page.

CalPhotos: Cascadia nuttallii photos.

USDA Plants: Cascadia nuttallii information.

26 photographs:
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