Chasmatophyllum Chasmatophyllum (Schwantes) Dinter & Schwantes in Z. Sukkulentenk. 3: 15. 1927 sec. Hartmann 20171 wfo-4000007720≡Stomatium subg. Chasmatophyllum Schwantes in Z. Sukkulentenk. 2: 176. 1926 syn. sec. Hartmann 20171 wfo-3500004141Type: Chasmatophyllum musculinum (Haw.) Dinter & Schwantes1. Hartmann, H. E. K. 2017 – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: SpringerContent