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Petrophytum caespitosum
Also called Rock Spiraea, Tufted Rockmat, Mat Rock Spiraea
Petrophytum caespitosum (orth. var. Petrophyton caespitosum) is a woody perennial species of flowering plant in the rose family known by the common name mat rock spiraea and native to western United States.
Petrophytum caespitosum is native to the Western United States where it grows in mountainous areas from the Sierra Nevada to the Rocky Mountains. It grows among limestone rocks in forested and woodland habitat and on open limestone bluffs and cliffs.
Text excerpted from the Wikipedia article Petrophytum caespitosum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
