Greater Boykinia, Pyramidal Boykinia, Sierran Boykinia: Boykinia intermedia (Synonym: Boykinia major var. intermedia) -
Greater Boykina, Large Boykinia, Mountain Boykinia, Sierran Brookfoam: Boykinia major (Synonym: Boykinia major var. major) -
Coast Boykinia, Coastal Brookfoam, Slender Boykinia: Boykinia occidentalis (Synonyms: Boykinia cincinnata, Boykinia elata, Boykinia vancouverensis, Therofon cincinnatum) - Leaves maple-like with 5-7 shallow, acute lobes. Several leaves found on the stems. Flowers white with 5 lancelike petals. Stems glandular-hairy.