| Rosaceae | * |
Rosa "kinistino"
| | | |
| Rosaceae | |
Rosa abietorum
| Greene | Leafl. Bot. Observ. Crit. 2(11): 257–258 | 1912 |
| Rosaceae | |
Rosa abutalybovii
| Gadzh. | Izv. Akad. Nauk Azerbajdzansk. SSR, Ser. Biol. Nauk 1973(3): 16 | 1973 |
| Rosaceae | |
Rosa abyssinica
| R. Br. | Salt, Abyss. App. 64: | |
| Rosaceae | |
Rosa acanthizans
| Lindstr. | Bot. Not. 1920: 192 | 1920 |
| Rosaceae | |
Rosa acharii
| Billb. | Svensk Bot. 9: , t. 577 | 1821 |
| Rosaceae | |
Rosa achburensis
| Chrshan. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Uzbeksk. SSR 13: 45 | 1952 |
| Rosaceae | |
Rosa acicularioides
| Schuette | Proc. Amer. Assoc. Advancem. Sci. 46: 279 | 1898 |
| Rosaceae | |
Rosa acicularis
| Lindl. | Ros. Monogr. 44–45, pl. 8 | 1820 |
| Rosaceae | |
Rosa aciculata
| (Cockerell) Cockerell | Proc. Acad. Nat. Sci. Philadelphia 1904: 114 | 1904 |
| Rosaceae | |
Rosa adenocarpa
| Greene | Leafl. Bot. Observ. Crit. 2(12): 261 | 1912 |
| Rosaceae | |
Rosa adenoclada
| H. Lév. | Repert. Spec. Nov. Regni Veg. 10(260–262): 431–432 | 1912 |
| Rosaceae | |
Rosa adenodonta
| Dubovik | Novosti Sist. Vyssh. Rast. 1966: 167 | 1966 |
| Rosaceae | |
Rosa adenophylla
| Galushko | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 21: 208 | 1961 |
| Rosaceae | |
Rosa adenosepala
| Wooton & Standl. | Contr. U.S. Natl. Herb. 16(4): 131 | 1913 |
| Rosaceae | |
Rosa afzeliana
| Fr. | Fl. Hall. 87 | |
| Rosaceae | |
Rosa agrestis
| Savi | Fl. Pis. 1: 475 | 1798 |
| Rosaceae | |
Rosa alabukensis
| Tkatsch. | Bot. Zhurn. (Moscow & Leningrad) 64(2): 218 | 1979 |
| Rosaceae | |
Rosa alaica
| Juz. | Fl. SSSR 10: 469, 638 | 1941 |
| Rosaceae | |
Rosa × alba
| L. | Sp. Pl. 1: 492 | 1753 |
| Rosaceae | |
Rosa alba
| L. | Sp. Pl. 1: 492 | 1753 |
| Rosaceae | |
Rosa albertii
| Regel | Trudy Imp. S.-Peterburgsk. Bot. Sada 8(1): 278 | 1883 |
| Rosaceae | |
Rosa albiflora
| Opiz | Flora 5: 268 | 1822 |
| Rosaceae | |
Rosa alcea
| Greene | Leafl. Bot. Observ. Crit. 2(3): 63–64 | 1910 |
| Rosaceae | |
Rosa aldersonii
| Greene | Pittonia 5: 110 | 1903 |
| Rosaceae | |
Rosa aleutensis
| Crép. | Bull. Soc. Roy. Bot. Belgique 15: 48–49 | 1876 |
| Rosaceae | |
Rosa alexandrae
| Buzunova | Novon 4(3): 208, f. 1 | 1994 |
| Rosaceae | |
Rosa alexeenkoi
| Crép. ex Juz. | Fl. SSSR 10: 504, 638 | 1941 |
| Rosaceae | ! |
Rosa alpina
| L. | Sp. Pl. (ed. 2) 1: 703 | 1762 |
| Rosaceae | |
Rosa altaica
| Willd. | Enum. Pl. 1: 543 | 1809 |
| Rosaceae | |
Rosa alticola
| Boulenger | Bull. Jard. Bot. État Bruxelles 13: 171, in clavi, 220 | 1935 |
| Rosaceae | * |
Rosa ambloyotis
| C.A. Mey. | Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans 6(Zimmtr.): 30 | 1847 |
| Rosaceae | |
Rosa amblyophylla
| Sumner | | |
| Rosaceae | |
Rosa amblyotis
| C.A. Mey. | Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans 6(Zimmtr.): 30 | 1847 |
| Rosaceae | |
Rosa amoyensis
| Hance | J. Bot. 6(70): 297–298 | 1868 |
| Rosaceae | |
Rosa amplifolia
| Greene | Leafl. Bot. Observ. Crit. 2(11): 258 | 1912 |
| Rosaceae | |
Rosa amygdalifolia
| Ser. | Prodr. 2: 601 | 1825 |
| Rosaceae | |
Rosa anacantha
| Greene | Leafl. Bot. Observ. Crit. 2(12): 265–266 | 1912 |
| Rosaceae | |
Rosa anatonensis
| H. St. John | Fl. SE. Washington 206–207 | 1937 |
| Rosaceae | |
Rosa × andegavensis
| Bastard | | |
| Rosaceae | |
Rosa andegavensis
| Bastard | Essai Fl. Maine et Loire 189 | |
| Rosaceae | |
Rosa andegavensis
| auct. | | |
| Rosaceae | |
Rosa andrzejowskii
| Steven ex M. Bieb. | Fl. Taur.-Caucas. 3: 339 | |
| Rosaceae | |
Rosa anemoniflora
| Fortune ex Lindl. | J. Hort. Soc. London 2: 315–316 | 1847 |
| Rosaceae | |
Rosa × anemonoides
| Rehder | J. Arnold Arbor. 3(1): 13 | 1921 [1922] |
| Rosaceae | |
Rosa anemonoides
| Rehder | | |
| Rosaceae | |
Rosa angreni
| Sumner | | |
| Rosaceae | |
Rosa anserinifolia
| Boiss. | Diagn. Pl. Orient., ser. 1, 6: 51–52 | 1845 [1846] |
| Rosaceae | |
Rosa antonowii
| (Lonacz.) Dubovik | Novosti Sist. Vyssh. Rast. 1966: 152 | 1966 |
| Rosaceae | |
Rosa apiculata
| Greene | Leafl. Bot. Observ. Crit. 2(11): 259–260 | 1912 |
| Rosaceae | |
Rosa arensil
| Juz. & Galushko | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 20: 211 | 1960 |
| Rosaceae | |
Rosa argutus
| Link | | |
| Rosaceae | |
Rosa argyi
| H. Lév. | Bull. Soc. Bot. France 55: 56 | 1908 |
| Rosaceae | |
Rosa arizonica
| Rydb. | N. Amer. Fl. 22(6): 516 | 1918 |
| Rosaceae | |
Rosa arkansana
| Porter | Syn. Fl. Colorado 38 | 1874 |
| Rosaceae | |
Rosa arkansana x carolina
| | | |
| Rosaceae | |
Rosa arnoldii
| Sumnev. ex Tkatsch. | Fl. Kirgizsk. SSR Suppl. 1: 85 | 1967 |
| Rosaceae | |
Rosa arvensis
| Huds. | Fl. Angl. 192 | 1762 |
| Rosaceae | |
Rosa arvensis
| Lucé | Fl. Osil 169 | |
| Rosaceae | |
Rosa assyriensis
| Poljakov | | |
| Rosaceae | |
Rosa × atlantica
| W.H. Lewis | Novon 25(1): 27 | 2016 |
| Rosaceae | |
Rosa atroglandulosa
| C.K. Schneid. | Bot. Gaz. 64(1): 75–76 | 1917 |
| Rosaceae | |
Rosa atropatana
| Sosn. | | |
| Rosaceae | |
Rosa aucuparia
| Rydb. | N. Amer. Fl. 22(6): 501 | 1918 |
| Rosaceae | |
Rosa azerbajdzhanica
| Novopokr. & Rzazade | Proc. Acad. Sci. Azerb. SSR 3: 217 | 1947 |
| Rosaceae | |
Rosa baiyushanensis
| Q.L. Wang | Bull. Bot. Res., Harbin 4(4): 207–208, f. 1 | 1984 |
| Rosaceae | * |
Rosa bakeri
| Rydb. | Fl. Colorado 190–191 | 1906 |
| Rosaceae | |
Rosa bakeri
| Déségl. | J. Bot. 2: 267 | 1864 |
| Rosaceae | |
Rosa balcarica
| Galushko | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 20: 205 | 1960 |
| Rosaceae | |
Rosa baltica
| Roth | Nov. Pl. Sp. 234 | 1821 |
| Rosaceae | |
Rosa banksiae
| W.T. Aiton | Hortus Kew. (ed. 2) 3: 258 | 1811 |
| Rosaceae | |
Rosa banksiopsis
| Baker | Rosa 2: 503 | 1914 |
| Rosaceae | |
Rosa baxanensis
| Galushko | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 21: 220 | 1961 |
| Rosaceae | |
Rosa beggeriana
| Schrenk ex Fisch. & C.A. Mey. | Enum. Pl. Nov. 1: 73 | 1841 |
| Rosaceae | |
Rosa bella
| Rehder & E.H. Wilson | Pl. Wilson. 2(2): 341–342 | 1915 |
| Rosaceae | |
Rosa bellavallis
| Puget ex Gren. | Mém. Soc. Émul. Doubs 11: 426 | 1875 |
| Rosaceae | |
Rosa bellicosa
| Nevski | Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. Fasc. 4: 248 | 1937 |
| Rosaceae | * |
Rosa bengalensis
| Pers. | Syn. Pl. 2(1): 50 | 1807 [1806] |
| Rosaceae | |
Rosa berberifolia
| Pall. | Nova Acta Acad. Sci. Imp. Petrop. Hist. Acad. 10: 379, pl. 10(5) | 1797 |
| Rosaceae | |
Rosa beschnauensis
| Sumnev. | Sist. Zametki Mater. Gerb. Krylova Tomsk. Gosud. Univ. Kuybysheva 1945(2): 4 | 1945 |
| Rosaceae | |
Rosa bicknellii
| Rydb. | N. Amer. Fl. 22(6): 500–501 | 1918 |
| Rosaceae | |
Rosa bidenticulata
| Rydb. | N. Amer. Fl. 22(6): 518–519 | 1918 |
| Rosaceae | |
Rosa bifera
| Poir. | Ench. Bot. 6: 276 | |
| Rosaceae | |
Rosa biflora
| T.C. Ku | Bull. Bot. Res., Harbin 10(1): 3–4 | 1990 |
| Rosaceae | |
Rosa biserratifolia
| Sumnev. | Sist. Zametki Mater. Gerb. Krylova Tomsk. Gosud. Univ. Kuybysheva 1945(2): 2, 1945 | |
| Rosaceae | ! |
Rosa blanda
| Aiton | Hort. Kew. 2: 202 | 1789 |
| Rosaceae | * |
Rosa blanda
| Jacq. | Fragm. Bot. 107 | 1809 |
| Rosaceae | |
Rosa blanda x palustris
| | | |
| Rosaceae | |
Rosa blanda x. rugosa
| W.H. Lewis | | |
| Rosaceae | |
Rosa blinii
| H. Lév. | Bull. Géogr. Bot. 25: 46 | 1915 |
| Rosaceae | |
Rosa blinovskyana
| Kult. | | |
| Rosaceae | |
Rosa bodinieri
| H. Lév. & Vaniot | Bull. Soc. Bot. France 55: 56 | 1908 |
| Rosaceae | |
Rosa boisii
| Cardot | Notul. Syst. (Paris) 3: 268–269 | 1914 |
| Rosaceae | |
Rosa boissieri
| Crép. | Bull. Soc. Roy. Bot. Belgique 8: 340 | 1869 |
| Rosaceae | |
Rosa bolanderi
| Greene | Leafl. Bot. Observ. Crit. 2(12): 261–262 | 1912 |
| Rosaceae | |
Rosa × borboniana
| Desp. | | |
| Rosaceae | |
Rosa borckhausenii
| Tratt. | | |
| Rosaceae | |
Rosa bordzilowskii
| Chrshan. | Fl. URSR 6: 198 | 1954 |
| Rosaceae | |
Rosa × boreykiana
| Besser | | |
| Rosaceae | |
Rosa borissovae
| Chrshan. | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 14: 196 | 1951 |