Allium fimbriatum S.Watson is restricted to California where it grows on dry, well-drained slopes. There are three varieties of the species accepted by the Jepson Manual and Flora of North America. A fourth, listed in Plants of the World Online, Allium fimbriatum var. denticulatum Ownbey & Aase ex Traub is considered by the Jepson Manual to be a synonym of Allium denticulatum (Traub) McNeal
Allium fimbriatum var. fimbriatum is distributed in California to Baja Mexico. It has rose purple flowers with flaring tips. It grows in gravelly volcanic or serpentine clays. The photos below were taken by Nhu Nguyen in Pinnacles National Park.
Allium fimbriatum var. mohavense Jeps. is only found in the Mohave Desert. It has flowers that are white to pink to light lavender.
Allium fimbriatum var. purdyi (Eastw.) Ownbey ex McNeal is restricted to serpentine soil in the inner North Coast ranges (Colusa, Glenn, Lake, Napa counties). Flowers are white to pale lavender with darker midveins. The first three photos were taken by Nhu Nguyen. The second photo shows developing into seeds and the third photo shows a serpentine slope where they occur.
Photos below were taken by Mary Sue Ittner. The first three were taken along Bear Valley Road in April different years. They were growing along the bank next to the road. The last shows flowers of plants grown from seed collected in Lake Co. at 2150' in crumbly, flaky serpentine talus flats.
