| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Piper guahamense | Koloa District: NTBG greenhouse nursery, cultivated in pots in the Piperaceae section | Preserved_Specimen | small shrub up to 1m tall leaves cordate ovate glossy smooth dark to light green on top rough frey-green on bottom stems light freen older one with glandular dots and white spreckles spikes solitary at apex with mature spikes. | Dunn, L. | 425 | Kauai | BISH | 2004-03-17 | |
| 2 | Piper guahamense | Waimea Arboretum & Botanical Garden | In dappled shade. | Preserved_Specimen | A rounded shrub 1.5 m. tall, much branched at the base. | Lau, J. | 2427 | Oahu | BISH | 1986-05-19 |
| 3 | Piper guahamense | Koloa District, Lawai Valley. Cultivated the National Tropical Botanical Garden. Container grown plants housed in the nursery | Preserved_Specimen | Erect plant of 3 ft.; stems pale green with white speckles, petiole yellow-green; blade dull to matte yellow to medium green above, below dull pale grey-green; spikes greenish-white. Grown from cuttings rec'd from Waimea Arb.(75s2270), original material collected from NCS Beach, Guam. | Flynn, T.W. | 6748 | Kauai | BISH | 2000-09-27 |