You selected Allium howellii subsp. sanbenitense (Traub) Traub & Ownbey. This is a synonym for:

Accepted scientific name:
Allium howellii var. sanbenitense (Traub) Ownbey & Aase (accepted name) 1 literature reference for Allium howellii var. sanbenitense (Traub) Ownbey & Aase
Synonyms:
Allium howellii subsp. sanbenitense (Traub) Traub & Ownbey (synonym) 1 literature reference for Allium howellii subsp. sanbenitense (Traub) Traub & Ownbey
Allium robustum Eastw., nom. illeg. (synonym) 1 literature reference for Allium robustum Eastw., nom. illeg.
Allium sabenitense Traub (synonym) 1 literature reference for Allium sabenitense Traub
Allium sanbenitense Traub (synonym) 1 literature reference for Allium sanbenitense Traub
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Asparagales
Family Amaryllidaceae
Genus Allium
Species Allium howellii
Distribution: California (SE. San Benito Co., W. Fresco Co.)
Additional data: -
Source database: World Checklist of Selected Plant Families, 27 Nov 2009
Latest taxonomic scrutiny: Govaerts R., 06-Jan-2005
Online resource: http://apps.kew.org/wcsp/namedetail.do?accepted_id=295728&repSynonym_id=-9998&name_id=295728&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:262eb0b6-60a7-102d-be47-00304854f810:ac2010