Pyramidal Boykinia: Boykinia intermedia (Synonym: Boykinia major var. intermedia)
Sierra Brookfoam, Large Boykinia, Greater Boykinia, Mountain Boykinia: Boykinia major (Synonym: Boykinia major var. major) -
Coastal Brookfoam, Coast Boykinia, Slender Boykinia: Boykinia occidentalis (Synonyms: Boykinia cincinnata, Boykinia elata, Boykinia vancouverensis, Therofon cincinnatum) -