MARTÍNEZ-AZORÍN, MARIO, MANUEL B. CRESPO, and ANTHONY P. DOLD. 2013. “New Data on Albuca Crispa (Hyacinthaceae, Ornithogaloideae), an Erect-Flowered Albuca from South Africa”. Phytotaxa 104 (1):1–11. https://doi.org/10.11646/phytotaxa.104.1.1.