| Mallostoma filiformis (Ruiz & Pav.) Benh. & Hook.f. ex B.D.Jacks. | Arcytophyllum filiforme (Ruiz & Pav.) Standl. |
| Mallostoma setosum (Ruiz & Pav.) Benth. & Hook.f. ex B.D.Jacks. | Arcytophyllum setosum (Ruiz & Pav.) Schltdl. |
| Mallostoma thymifolium (Ruiz. & Pav.) Benth. & Hook.f. ex B.D.Jacks. | Arcytophyllum thymifolium (Ruiz & Pav.) Standl. |