Allium bisceptrum S.Watson, Botany [Fortieth Parallel] 5: 351 1871. (syn: Allium bisceptrum var. palmeri (S.Watson) Cronquist; Allium bisceptrum var. utahense M.E.Jones; Allium palmeri S.Watson);
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W. U.S.A. to W. New Mexico: Arizona, California, Idaho, Nevada, New Mexico, Oregon, Utah as per POWO;
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Allium for ID from California-GS29112021-4: 3 high res. images.
Allium for ID from University of California Botanical Garden, 22-4-2019
Allium bisceptrum S.Watson ??
Yes, some possibility as per images at
https://en.wikipedia.org/wiki/Allium_bisceptrum
https://calscape.org/Allium-bisceptrum-()
https://swbiodiversity.org/seinet/taxa/index.php?taxon=3447&clid=3116
https://www.calflora.org/app/taxon?crn=9661
https://www.calflora.org/entry/occdetail.html?seq_num=mu10
References: POWO Catalogue of Life The Plant List Ver.1.1 WCSP
https://en.wikipedia.org/wiki/Allium_bisceptrum
https://calscape.org/Allium-bisceptrum-()
https://swbiodiversity.org/seinet/taxa/index.php?taxon=3447&clid=3116
https://www.calflora.org/app/taxon?crn=9661
https://www.calflora.org/entry/occdetail.html?seq_num=mu10