Number of species reported for the author Collins & M.Howe: 2
| N° | Name of the species |
|---|---|
| Halymenia pseudofloresii Collins & M.Howe | |
| Halymenia gelinaria Collins & M.Howe |
| N° | Name of the species |
|---|---|
| Halymenia pseudofloresii Collins & M.Howe | |
| Halymenia gelinaria Collins & M.Howe |