Rosa ostensa Gren. in Mém. Soc. Émul. Doubs, ser. 4, 9: 426. 1875 Rosa ostensa Gren. in Mém. Soc. Émul. Doubs, ser. 4, 9: 426. 1875Taxon for this nameRosa ostensa Gren. in Mém. Soc. Émul. Doubs, ser. 4, 9: 426. 1875