Rod:

1454 250.1 Tolumnia compressicaulis (Withner) Braem
1455 250.2 Tolumnia lemoniana Braem
1456 250.3 Tolumnia pulchella (Hook.) Raf.
1457 250.4 Tolumnia scandens (Moir) Braem
1458 250.5 Tolumnia sylvestris (Lindl.) Braem
1459 250.6 Tolumnia urophylla (Lodd. ex Lindl.) Braem
1460 250.7 Tolumnia variegata (Sw.) Braem
1684 250.8 Tolumnia calochila (Cogn.) Braem syn Oncidium calochilum Cogn.