Heenan, P.B. 2026: Leptopetalum perpusillum Heenan (Rubiaceae), a new species from Rarotonga (Cook Islands) and ‘Eua (Kingdom of Tonga). New Zealand Journal of Botany: 1–7 (online) https://doi.org/10.1002/nzb2.70001.
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| Heenan, P.B. 2026: Leptopetalum perpusillum Heenan (Rubiaceae), a new species from Rarotonga (Cook Islands) and ‘Eua (Kingdom of Tonga). New Zealand Journal of Botany: 1–7 (online) https://doi.org/10.1002/nzb2.70001. |