Hemileia holstii (Henn.) Syd., Monogr. Ured. 3: 213, 1915.

≡ Uredo holstii Henn., in Engler, Pflanzenw. Ost-Afrikas Teil C: 52, 1895.

= Uredo psychotriae-volkensii Henn., in Engler, Pflanzenw. Ost-Afrikas Teil C: 52, 1895.

= Uredo mkusiensis Henn., Bot. Jahrb. Syst. 34: 41, 1905.

Comments.

The names Uredo holstii and Uredo psychotriae-volkensii were both published on the same page and thus are considered equal in priority. Because Uredo holstii had already been placed in Hemileia, this basionym is considered to have priority.