Cattleya Ulysses
-
Cattleya Umatilla Reef
-
Epidendrum umbellatum
-
Epidendrum umbelliferum
-
Cattleya Umbria
-
Cattleya Umea
-
Cattleya Umpqua
-
Cattleya Un-named grex
-
Cattleya Una (1917)
-
Cattleya Una (1921)
-
Cattleya Una (1922)
-
Cattleya Uncle Sheu Wan
-
Lepanthes undesc
-
Cattleya Undine
-
Cattleya Undine Aquinae
-
Cattleya Undine Roseum
-
Laelia undulata
-
Cattleya Undulata
-
Leptotes unicolor
-
Cattleya Unicorn
-
Epidendrum Unicorn Valley
-
Barkeria uniflora
-
Masdevallia uniflora
-
Cattleya Unique