Grimmia longirostris Hook., Musci Exot. 1: 62. 1818. Guembelia longirostris (Hook.) Ochyra & Zarnowiec, Biodiversity of Poland 3: 127. 2003. Type: Ecuador. Montis Chimborazo, altit. 2380 hexapod., Humboldt & Bonpland (BM).
Grimmia affinis Hornsch., Flora 2: 443. 1819, nom. illeg. non Hornsch. 1819, Flora 2: 85. Type: Germany (B, lectotype).
Grimmia columbica DeNot., Mem. Reale Accad. Sci. Torino, ser. 2, 18: 447. 1859. Type: Ecuador. rivum Napo Columbia [not Colombia!], Osculati s.n. (H-SOL, isotype).
Grimmia peruviana Sull., U. S. Expl. Exped. Musc. 8. 1860. Type: Peru. Andes of Peru, 15,000 ft, “U. S. Ex. Ex. Wilkes 1838-1842” (BM, lectotype; isolectotypes BM, FH, NY).
Guembelia bogotensis Hampe, Linnaea 32: 142. 1863. Grimmia bogotensis (Hampe) A. Jaeger, Ber. Thätigk. St. Gallischen Naturwiss Ges. 1872-73: 40. 1874. Type: Colombia. Cundinamarca, Bogota, Los Laches, 2800 m, Lindig 2011 (PC, lectotype; isolectotypes BM, NY).
Grimmia integridens Müll. Hal., Linnaea 43: 460. 1882. Argentinia. Tucumanensis, in alpinis “der Cienega” cum Psilopilo gymnostomulo forsan in altitudine 11,000 ped., 1873, Lorentz s.n. (PC, lectotype).
Grimmia leucophaeola Müll. Hal., Linnaea 43: 456. 1882. Argentinia. Tucumanensis, in alpinis Sierrae de Aconquija prope Tafi, Aprili 1872, Lorentz s.n. (JE, lectotype; isolectotypes BM, JE, NY).
Grimmia rhaphidostega Müll. Hal., Linnaea 43: 459. 1882. Argentinia. Saltensis, Nevado de Castillo, in alpinis cum Andreaeaceis, 1873, Lorentz s.n. (lectotype JE).
Grimmia vernicosula Müll. Hal., Linnaea 43: 458. 1882. Argentinia. Rio seco prope Orán, 1873, Lorentz s.n. (lectotype JE, isolectotype BM).
Grimmia nanoglobosa Müll. Hal. ex E. Britton, Bull. Torrey Bot. Club 23: 477. 1896. Type: Bolivia. Mapiri, 5000 ft, May 1886, Rusby [3195] (NY, holotype).
Grimmia microovata Müll. Hal., Nuovo Giorn. Bot. Ital. n.s. 4: 128. 1897. Type: Bolivia. Cochabamba prope Choquecamata, Jun 1889, Germain (JE, lectotype; isolectotype NY).
Grimmia subovata Schimp. ex Müll. Hal., Nuovo Giorn. Bot. Ital. n.s. 4: 128. 1897. Type: Bolivia. Larecaja, vicinitis Sorata, Ancouma, 3700-4000 m, Apr 1860, Mandon [PlanteAndium Boliviensium 1634] (BM, lectotype; isolectotype FH).
Grimmia nigella Herzog, Biblioth. Bot. 87: 55. 1916. Type: Bolivia. An Felsen bei der Saittulaguna, ca. 4300 m, Herzog 2679 (JE, lectotype). Syntypes: Bolivia. An Felsen im oberen Chocayatal, ca. 4400 m, Herzog 3597, Herzog 3587/a.
Grimmia speirophylla Herzog, Biblioth. Bot. 87: 55. 1916. Type: Bolivia. An Felsen der Yanakaka[bastion], ca. 4500 m, Herzog 3827 (JE, lectotype). Syntypes: An Felsen im Hochtal von Viloco, ca. 4600 m, Herzog 3148; an Felsen der Yanakakabastion, ca. 4500 m, Herzog3745; an Felsen der Cerro Tunari, ca. 5000 m, Herzog 4871, Herzog 4811.
Grimmia allionii Broth., Rev. Bryol.47: 9. 1920. Type: Ecuador. Prov. Azuay, montis prope Cañar, 3400 m, 1909, Allioni (H-BR, lectotype).
Grimmia trollii Herzog, Hedwigia 74: 102. 1934. Type: Bolivia. Curahuara, Cerro de la Esperanza, Cordillera Real, 4500 m, Troll 58 (JE, lectotype).
Grimmia stenopyxis Thér., Rev. Bryol. Lichénol. 9: 8. 1936. Type: Ecuador. Base of Pichincha, 3200 m, Benoist (PC, lectotype).
Grimmia cinerea Thér., Rev. Bryol. Lichénol. 9: 9. 1936. Type: Ecuador. Condorguachana, 4150 m, Benoist 3153 (PC, holotype).