21. Atractylis angustifolia Thunb. ex Houtt.,
Nat. Hist. II(10): Aanwyz. Plaat. [3], 518, tab. 67, fig. 1. 1779.
≡ Berkheya angustifolia (Thunb. ex Houtt.) Merr. in J. Arnold Arbor. 19: 369. 1938.
Lectotypus (designated here by Veldkamp & Callmander): SOUTH AFRICA: Cape, Thunberg s.n. (G-PREL [G00818028]!).
Notes. – Original material is present in the Cape herbarium, and the single collection is designated here as the lectotype. There appears to be no corresponding specimen in UPS-THUNB. Only two sheets of Atractylis humilis L. have been located (UPS-THUNB n° 18590, Spain; UPS-THUNB n° 18591, sine loco).