| Orchidaceae | |
Cypripedium concolor var. chlorophyllum
| Rchb. f. | Gard. Chron. n.s., 26: 294 | 1886 |
| Orchidaceae | |
Cypripedium concolor var. longipetalum
| Rolfe | Orchid Rev. 4: 54 | 1896 |
| Orchidaceae | |
Cypripedium concolor var. reynieri
| Rchb. f. | Gard. Chron. n.s., 25: 362 | 1886 |
| Orchidaceae | |
Cypripedium concolor var. sulphurinum
| Rchb. f. | Gard. Chron. III, 4: 264 | 1888 |
| Orchidaceae | |
Cypripedium concolor var. tonkinense
| God.-Leb. | | |