| A census of the orchids of New South Wales, 1937 H M R Rupp (1937) Proceedings of The Linnean Society of New South Wales 62: 27-31 | |
| Relation of the orchid flora of Australia to that of New Zealand, with the description of a new monotypic genus for New Zealand H M R Rupp and E D Hatch (1945) Proceedings of The Linnean Society of New South Wales 70: 53-61 |