[not yet available online]
406512 564817 Jacobsenia kolbei (L. Bolus) L. Bolus & Schwantes [80 662312 Mesembryanthemum kolbei L. Bolus]
H. Herre, Gen. Mesemb., vol. 10 : p. 181 (1973) [M.M. Page]
405976 564818 Jacobsenia vaginata (L. Bolus) Ihlenf. [125 360419 Drosanthemum vaginatum L. Bolus]
H. Herre, Gen. Mesemb., vol. 10 : p. 73 (1973)
