Erica trimera (Mildbr.) Beentje subsp. elgonensis [family ERICACEAE], in Utafiti 3, 1: 13 (1990); K.T.S.L.: 444 (1994). Type: Uganda, Elgon, 2900 m, June 1920, Lindblom s.n. (S, holo.; BR!, fragm., UPS, iso.)
Philippia elgonensis Mildbr. [family ERICACEAE], in Notizbl. Bot. Gard. Berlin 8: 232 (1922)
Erica elgonensis (Mildbr.) Alm & T.C.E.Fr. [family ERICACEAE], in K. Svenska Vetensk.-Akad. Handl. ser. 3, 4 (4): 42 (1927) & in Arkiv Bot. 21A, 7: 15 (1927)
Philippia keniensis (Mildbr.) R.Ross subsp. elgonensis [family ERICACEAE], in B.J.B.B. 27, 4: 748 (1957); K.T.S.: 180 (1961)
Philippia trimera (Mildbr.) Hedb. subsp. elgonensis [family ERICACEAE], A.V.P.: 146, 298 (1957)