Cereus trigonus var. guatemalensis Eichlam ex Weing. in Monatsschr. Kakteenk. 21(5): 68. 1911
Cereus trigonus var. guatemalensis in Monatsschr. Kakteenk. 21(5): 68. 1911
is basionym for Selenicereus guatemalensis in Cactaceae Syst. Init. 36: 32. 2017
is basionym for Cereus triangularis f. guatemalensis, Kakteen: 128. 1926
is basionym for Cereus guatemalensis, Kakteen: 121. 1929
is basionym for Hylocereus guatemalensis, Cactaceae 2: 184. 1920
Holotype: Cult. Knippel s.n. Original label “ded. Weingart 25.4. 1911” (B, in spirit: B 810006825)
Neotype (designated by Doweld, A.B. 2002: 131): Guatemala, Fiscal, alt. ca. 1230 m, 6 Jun 1909, C. C. Deam 6195 (MO)
Isoneotype: Guatemala, Fiscal, alt. ca. 1230 m, 6 Jun 1909, C. C. Deam 6195 (S: S09-28483) https://plants.jstor.org/stable/10.5555/al.ap.specimen.s09-28483