| Orchidaceae | |
Koellensteinia abaetana
| L.P. Queiroz | Revista Brasil. Bot. 10: 21 | 1987 |
| Orchidaceae | |
Koellensteinia alba
| Schltr. | | |
| Orchidaceae | |
Koellensteinia altissima
| Pabst | Anais Acad. Brasil. Ci. 34: 45 | 1962 |
| Orchidaceae | |
Koellensteinia boliviensis
| (Rolfe) Schltr. | Orchis 12: 32 | 1918 |
| Orchidaceae | |
Koellensteinia brachystalix
| Schltr. | | |
| Orchidaceae | |
Koellensteinia carraoensis
| Garay & Dunst. | Venez. Orchid. Ill. 6: 166 | 1976 |
| Orchidaceae | |
Koellensteinia colnagoi
| Ruschi | Bol. Mus. Biol. Prof. Mello Leitao 80: 1 | 1974 |
| Orchidaceae | |
Koellensteinia dasilvae
| C.F. Hall & F. Barros | Nordic J. Bot. 33(6): 729 | 2015 |
| Orchidaceae | |
Koellensteinia eburnea
| (Barb. Rodr.) Schltr. | Orchis 12: 28 | 1918 |
| Orchidaceae | |
Koellensteinia elegantula
| Schltr. | Repert. Spec. Nov. Regni Veg. Beih. 7: 161 | 1920 |
| Orchidaceae | |
Koellensteinia espiritosantensis
| Ruschi | Bull. Mus. Natl. Hist. Nat., Sér. 2 26: 551 | 1954 |
| Orchidaceae | |
Koellensteinia florida
| (Rchb. f.) Garay | Orquideología 8(1): 23 | 1973 |
| Orchidaceae | ! |
Koellensteinia graminea
| (Lindl.) Rchb. f. | Bonplandia (Hannover) 4: 323 | 1856 |
| Orchidaceae | ** |
Koellensteinia gramineae
| Rchb. f. | | |
| Orchidaceae | |
Koellensteinia graminioides
| D.E. Benn. & Christenson | Brittonia 46(1): 37, 39–40, f. 10 | 1994 |
| Orchidaceae | |
Koellensteinia hyacinthoides
| Schltr. | Beih. Bot. Centralbl., Abt. 2 42: 126 | 1925 |
| Orchidaceae | |
Koellensteinia ionoptera
| Linden & Rchb. f. | Gard. Chron. 1451 | 1871 |
| Orchidaceae | |
Koellensteinia kellneriana
| Rchb. f. | Bonplandia (Hannover) 2(2): 17–18 | 1854 |
| Orchidaceae | |
Koellensteinia lilijae
| Foldats | Bol. Soc. Venez. Ci. Nat. 22: 263 | 1961 |
| Orchidaceae | |
Koellensteinia lineata
| (Barb. Rodr.) Garay | Orquideología 8(1): 23 | 1973 |
| Orchidaceae | |
Koellensteinia peruviana
| Schltr. | Orchis 12: 28 | 1918 |
| Orchidaceae | |
Koellensteinia roraimae
| Schltr. | Orchis 12: 29 | 1918 |
| Orchidaceae | |
Koellensteinia spiralis
| Gomes Ferreira & L.C. Menezes | Bol. CAOB 29: 87 | 1997 |
| Orchidaceae | |
Koellensteinia tricolor
| (Lindl.) Rchb. f. | Ann. Bot. Syst. 6: 552 | 1861 [1863] |