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Saxifraga bronchialis

Saxifraga bronchialis L.

Yellowdot saxifrage, Yellow-spot saxifrage, Matted saxifrage

Saxifragaceae (Saxifrage Family)


USDA Symbol: sabr6

USDA Native Status: L48 (N), AK (N), CAN (N)

Yellow-spot saxifrage is a perennial rock cover with evergreen leaves. Leaf shape is extremely variable within the species resulting in plants that appear quite unalike. Leaves can be narrow and sharp-tipped with rigid hairs to rounded and spoon-shaped with soft hairs. Branched, 2-6 in. flowering stems rise above the mat of leaves, each branch terminated by a showy flower. The cream petals are dotted with round spots of varying colors.

A common plant along the mountain trails. The genus name, from the Latin saxum (rock) and frangere (to break), alludes to the species rocky habitat; the plants grow in rock crevices, looking as if they had split the rock. Accordingly, herbalists once used some species in a treatment for stones in the urinary tract.


Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 0-1 ft.

Bloom Information

Bloom Color: White
Bloom Time: Jun , Jul , Aug


USA: AK , CO , ID , MT , NM , OR , UT , WA , WY
Canada: AB
Native Distribution: AK to Greenland, s. in mts. to n. OR & NM
Native Habitat: Rock crevices; open, talus slopes; gravelly tundra

Growing Conditions

Light Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Rocky soil.
Conditions Comments: Not Available


Description: Best grown from seed.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes

Butterflies and Moths of North America (BAMONA)

Saxifraga bronchialis is a larval host and/or nectar source for:
Astarte Fritillary
(Boloria astarte)

Larval Host
Learn more at BAMONA

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

View propagation protocol from Native Plants Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:

Native Seed Network - Corvallis, OR


Bibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright

Search More Titles in Bibliography

Additional resources

USDA: Find Saxifraga bronchialis in USDA Plants
FNA: Find Saxifraga bronchialis in the Flora of North America (if available)
Google: Search Google for Saxifraga bronchialis


Record Last Modified: 2012-05-09
Research By: TWC Staff

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