⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Orobanche grayana in version 1.1 of The Plant List.
This name is a synonym of Orobanche californica subsp. jepsonii .
The record derives from Tropicos which reports it as a synonym (record 23600087
) with original publication details: Bull. Torrey Bot. Club 57(9): 617, pl. 38, f. 10 617 1930.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:176576-2
.