| Genus Name | Genus | Grex Name | Year | Author | |
|---|---|---|---|---|---|
| Add+ | Brachystele | Bse | widgrenii | 1926 | (Rchb.f.) Schltr. |
| Add+ | Brachystele | Bse | atramentaria | 1920 | (Kraenzl.) Schltr. |
| Add+ | Acraea | Acraea | widgrenii | 1881 | Rchb.f. |
| Add+ | Diskyphogyne | Diskyphogyne | widgrenii | 1996 | (Rchb.f.) Szlach. & R.González |
| Add+ | Pterichis | Pter | widgrenii | 1895 | (Rchb.f.) Cogn. in C.F.P.von Martius & auct. suc. (eds.) |