Birchleaf Mountain Mahogany, Birch-leaf Mountain Mahogany: Cercocarpus betuloides var. betuloides (Synonyms: Cercocarpus betulifolius var. minor; Cercocarpus betuloides ssp. macrourus; Cerocarpus betuloides var. macrourus; Cercocarpus douglasii; Cercocarpus macrourus; Cercocarpus minutiflorus; Cercocarpus montanus var. glaber; Cercocarpus montanus var. macrourus; Cercocarpus montanus var. minutiflorus; Cercocarpus parvifolius var. glaber; Cercocarpus rotundifolius)
Eastern Mountain-mahogany, Hairy Cercocarpus, Hairy Mountain Mahogany: Cercocarpus breviflorus (Synonyms: Cercocarpus breviflorus; Cercocarpus breviflorus var. eximius; Cercocarpus eximius; Cercocarpus montanus var. paucidentatus; Cercocarpus parvifolius var. paucidentatus)
Alderleaf Mountain Mahogany: Cercocarpus montanus (Synonyms: Cercocarpus argenteus; Cercocarpus montanus var. argenteus; Cercocarpus parvifolius; Cercocarpus parvifolius var. hirsutissimus; Cercocarpus parvifolius var. minimus)