Geranium prolificum Linnaeus var. longifolium (N.L. Burman) Linnaeus, Species Plantarum, ed. 2, 2: 950. 1763.

"Habitat [ad Cap. b spei.]" RCN: 4958.

Basionym: Geranium longifolium Burm. f. (1759) .

Type not designated.

Current name: Pelargonium longifolium (Burm. f.) Jacq. ( Geraniaceae).