62 495086 Haworthia arachnoidea (L.) Duval [111 495167 Haworthia bolusii Baker]
H.G.A. Engler, Pflanzenr., vol. 38(III. ii.): [Heft 33], (Liliaceae - Asphodeloideae - Aloineae): p. 114, fig. 39 A-E (1908)

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