Zone 6: Herbaceous Plant
Click on plant photo for specific plant information.
| (No photo) | Adenostemma viscosum | Kāmanamana | I | 2 TO 4 | 2 | |
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| Astelia menziesiana | Kaluaha, pua'akuhinia | E | 1 TO 6 | 4 | |
| (No photo) | Bidens asymetrica | Ko'oko'olau, ko'olau | E | 3 TO 6 | 4 | |
| (No photo) | Bidens campylotheca ssp campylotheca | Ko'oko'olau, ko'olau | E | 3 TO 15 | 8 | |
| (No photo) | Bidens cervicata | Ko'oko'olau, ko'olau | E | 3 TO 10 | 8 | |
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| Bidens macrocarpa | Ko'oko'olau, ko'olau | E | 2 TO 8 | 4 | |
| (No photo) | Bidens sandvicensis ssp sandvicensis | Ko'oko'olau, ko'olau | E | 2 TO 4 | 8 | |
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| Dianella sandwicensis | 'Uki'uki, 'uki | I | 2 TO 8 | 6 | |
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| Korthalsella complanata | Hulumoa, kaumahana | E | <1 TO 2 | <1 | |
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| Korthalsella cylindrica | Hulumoa, kaumahana | E | <1 TO 1 | <1 | |
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| Korthalsella degeneri | Hulumoa, kaumahana | E | <1 TO 1 | <1 | |
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| Korthalsella remyana | Hulumoa, kaumahana | E | <1 TO 1 | <1 | |
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| Liparis hawaiensis | 'Awapuhiakanaloa, twayblade | E | <1 TO 1 | 1 | |
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| Melanthera tenuifolia | Nehe | E | 4 TO 6 | 34 | X |
| (No photo) | Melanthera tenuis | Nehe | E | 1 TO 2 | 11 | |
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| Musa x paradisiaca | Mai'a, banana | P | 8 TO 38 | 11 | |
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| Oxalis corniculata | 'Ihi'ai, 'ihi'awa, 'ihi maka'ula, 'ihi mākole, yellow wood sorrel | Possibly P | <1 TO 1 | 2 | |
| (No photo) | Peperomia blanda var. floribunda | 'Ala'ala wai nui | I | 1 | 2 | |
| (No photo) | Peperomia latifolia | 'Ala'ala wai nui | E | 1 TO 2 | 1 | |
| (No photo) | Peperomia membranacea | 'Ala'ala wai nui | E | 1 TO 3 | 1 | |
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| Peperomia oahuensis | 'Ala'ala wai nui | E | <1 TO 1 | 1 | |
| (No photo) | Peperomia remyi | 'Ala'ala wai nui | E | 1 TO 2 | 2 | |
| (No photo) | Peperomia sandwicensis | 'Ala'ala wai nui | E | <1 TO 1 | 1 | |
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| Peperomia tetraphylla | 'Ala'ala wai nui | E | 2 TO 3 | 2 | |
| (No photo) | Persicaria glabra | Kāmole | Possibly I | 2 TO 6 | 6 | |
| (No photo) | Phyllostegia glabra var. glabra | Ulihi | E | 3 TO 19 | 11 | |
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| Phyllostegia kaalaensis | N/A | E | 3 TO 19 | 8 | X |
| (No photo) | Phyllostegia mollis | N/A | E | 2 TO 6 | 4 | X |
| (No photo) | Phyllostegia parviflora | N/A | E | 2 TO 6 | 4 | X |
| (No photo) | Phytolacca sandwicensis | Pōpolo kū mai, pōpolo, Hawaiian pokeberry | E | 3 TO 15 | 8 | |
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| Pilea peploides | N/A | I | <1 TO 1 | 2 | |
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| Plantago princeps var. longibracteata | Laukahi kuahiwi, ale | E | <1 | 2 | X |
| (No photo) | Platanthera holochila | Fringed orchid | E | 1 TO 2 | 1 | X |
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| Schiedea hookeri | N/A | E | 1 TO 2 | 4 | X |
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| Schiedea kaalae | N/A | E | <1 TO 1 | 1 | X |
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| Solanum americanum | Pōpolo, 'olohua, polopolo, pōpolohua, glossy nightshade | Possibly I | 4 TO 5 | 4 | |
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| Zingiber zerumbet | 'Awapuhi, 'awapuhi kuahiwi, 'ōpuhi, shampoo ginger, wild ginger | P | 3 TO 8 | 11 | |
E* - Endangered