⚠ Version 1 of The Plant List has been superseded.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 Horkelia capitata in version 1.1 of The Plant List.
This name is a synonym of Potentilla douglasii var. capitata .
The record derives from Tropicos which reports it as a synonym (record 50099791
) with original publication details: Edwards's Bot. Reg. 23: sub pl. 1997 sub pl. 1997 1837.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:725671-1
.