Haworthia coarctata var. adelaidensis Haworthia coarctata f. bellula Haworthia reinwardtii var. adelaidensis Haworthia reinwardtii var. bellula Haworthia reinwardtii var. riebeekensis Haworthia adelaidensis Haworthia coarctata subsp. adelaidensis
World Flora Online, accessed June 20, 2024