PEP Species List, as of February 22, 2016.

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1 PEP Species List, as of February 22, There are currently 238 PEP species, meaning, they have 50 or fewer plants remaining of the species/taxon. This alphabetical list also provides their island distributions and their island-specific PEP Designations. Definitions for each of the designations are provided at the end of this table. Taxon Distribution Island-Specific Designation 1 Abutilon eremitopetalum Lanaì PEP 2 Acaena exigua Kauaì PEP-EXTIRPATED Acaena exigua Maui PEP-EXTIRPATED? 3 Achyranthes mutica Hawaiì PEP Achyranthes mutica Kauai PEP-EXTIRPATED 4 Adenophorus periens Lanaì PEP-EXTIRPATED Adenophorus periens Hawaiì PEP Adenophorus periens Maui PEP-EXTIRPATED Adenophorus periens Oàhu PEP-EXTIRPATED Adenophorus periens Molokaì PEP-EXTIRPATED Adenophorus periens Kauaì PEP 5 Alectryon macrococcus var. auwahiensis Maui PEP 6 Argyroxiphium sandwicense subsp. sandwicense Hawaiì PEP 7 Argyroxiphium virescens Maui PEP-EXTINCT? 8 Asplenium dielerectum (f. alexandri) Maui PEP Asplenium dielerectum (f. alexandri) Molokaì PEP-EXTIRPATED 9 Asplenium dielerectum (f. erecta) Hawaiì PEP Asplenium dielerectum (f. erecta) Lanaì PEP-EXTIRPATED Asplenium dielerectum (f. erecta) Maui PEP Asplenium dielerectum (f. erecta) Molokaì PEP-EXTIRPATED? Asplenium dielerectum (f. erecta) Oàhu PEP 10 Asplenium diellaciniatum Kauaì PEP 11 Asplenium dielmannii Kauaì PEP 12 Asplenium dielpallidum Kauaì PEP 13 Astelia waialealae Kauaì PEP 14 Brighamia insignis Niìhau PEP-EXTIRPATED? Brighamia insignis Kauaì PEP 15 Brighamia rockii Molokaì PEP Brighamia rockii Lanaì PEP-EXTIRPATED Brighamia rockii Maui PEP-EXTIRPATED 16 Canavalia pubescens Lanaì PEP-EXTIRPATED? Canavalia pubescens Ni`hau PEP-EXTIRPATED? Canavalia pubescens Kauaì PEP-EXTIRPATED? Canavalia pubescens Maui PEP 17 Clermontia oblongifolia subsp. brevipes Molokaì PEP 18 Clermontia peleana subsp. peleana Hawaiì PEP 19 Clermontia peleana subsp. singuliflora Maui PEP-EXTIRPATED 1

2 Clermontia peleana subsp. singuliflora Hawaiì PEP 20 Clermontia pyrularia Hawaiì PEP 21 Clermontia samuelii subsp. samuelii Maui PEP 22 Coprosma kawaikiniensis Kauaì PEP 23 Cryptocarya oahuensis Oàhu PEP 24 Cyanea cf. fernaldii Hawaiì PEP 25 Cyanea copelandii subsp. copelandii Hawaiì PEP-EXTINCT? 26 Cyanea crispa Oàhu PEP 27 Cyanea dolichopoda Kauaì PEP-EXTINCT? 28 Cyanea dunbariae Molokaì PEP 29 Cyanea eleeleensis Kauaì PEP-EXTINCT? 30 Cyanea gibsonii Lanaì PEP 31 Cyanea grimesiana subsp. grimesiana Molokaì PEP-EXTIRPATED Cyanea grimesiana subsp. grimesiana Oàhu PEP-Extinct in Wild 32 Cyanea grimesiana subsp. obatae Oàhu PEP 33 Cyanea hamatiflora subsp. carlsonii Hawaiì PEP 34 Cyanea horrida Maui PEP 35 Cyanea kauaulaensis Maui PEP 36 Cyanea kolekoleensis Kauaì PEP-EXTINCT? 37 Cyanea konahuanuiensis Oàhu PEP 38 Cyanea kuhihewa Kauaì PEP-EXTINCT? 39 Cyanea lobata subsp. baldwinii Lanaì PEP 40 Cyanea lobata subsp. lobata Maui PEP 41 Cyanea magnicalyx Maui PEP 42 Cyanea maritae Maui PEP 43 Cyanea marksii Hawaiì PEP 44 Cyanea munroi Lanaì PEP Cyanea munroi Molokaì PEP-EXTIRPATED? 45 Cyanea obtusa Maui PEP 46 Cyanea pinnatifida Oàhu PEP-Extinct in wild 47 Cyanea procera Molokaì PEP 48 Cyanea profuga Molokaì PEP 49 Cyanea purpurellifolia Oàhu PEP 50 Cyanea pycnocarpa Hawaiì PEP-EXTINCT? 51 Cyanea remyi Kauaì PEP 52 Cyanea rivularis Kauaì PEP 53 Cyanea shipmanii Hawaiì PEP 54 Cyanea solanacea Molokaì PEP 55 Cyanea st.-johnii Oàhu PEP 56 Cyanea stictophylla Hawaiì PEP 57 Cyanea superba subsp. superba Oàhu PEP-Extinct in wild 58 Cyanea truncata Oàhu PEP 59 Cyanea undulata Kauaì PEP 60 Cyperus neokunthianus Maui PEP-EXTINCT? 61 Cyrtandra ferripilosa Maui PEP 62 Cyrtandra filipes Maui PEP Cyrtandra filipes Molokaì PEP-EXTIRPATED? 2

3 63 Cyrtandra gracilis Oàhu PEP 64 Cyrtandra hematos Molokaì PEP 65 Cyrtandra kaulantha Oàhu PEP 66 Cyrtandra paliku Kauaì PEP 67 Cyrtandra polyantha Oàhu PEP 68 Cyrtandra viridiflora Oàhu PEP 69 Cyrtandra wagneri Hawaiì PEP 70 Cyrtandra waiolani Oàhu PEP 71 Delissea argutidentata Hawaiì PEP-Extinct in wild 72 Delissea kauaiensis Kauaì PEP 73 Delissea rhytidosperma Kauaì PEP-Extinct in wild 74 Delissea waianaeensis Oàhu PEP 75 Deparia kaalaana Maui PEP Deparia kaalaana Kauaì PEP-EXTIRPATED Deparia kaalaana Hawaiì PEP-EXTIRPATED 76 Diplazium molokaiense Lanaì PEP-EXTIRPATED Diplazium molokaiense Molokaì PEP-EXTIRPATED Diplazium molokaiense Maui PEP Diplazium molokaiense Kauaì PEP-EXTIRPATED Diplazium molokaiense Oàhu PEP-EXTIRPATED? 77 Dryopteris crinalis var. podosorus Kauaì PEP 78 Dubautia kalalauensis Kauaì PEP 79 Dubautia kenwoodii Kauaì PEP-EXTINCT? 80 Dubautia pauciflorula Kauaì PEP 81 Dubautia plantaginea subsp. humilis Maui PEP 82 Eragrostis fosbergii Oàhu PEP-EXTINCT? 83 Euphorbia eleanoriae Kauaì PEP 84 Euphorbia herbstii Oàhu PEP 85 Euphorbia remyi var. hanaleiensis Kauaì PEP-EXTINCT? 86 Flueggea neowawraea Molokaì PEP-EXTIRPATED Flueggea neowawraea Hawaiì PEP Flueggea neowawraea Maui PEP Flueggea neowawraea Oàhu PEP Flueggea neowawraea Kauaì PEP 87 Gardenia brighamii Molokaì PEP-Extirpated in Wild Gardenia brighamii Hawaiì PEP-EXTIRPATED Gardenia brighamii Lanaì PEP Gardenia brighamii Oàhu PEP Gardenia brighamii Maui PEP-EXTIRPATED 88 Geranium arboreum Maui PEP 89 Gouania meyenii Oàhu PEP Gouania meyenii Kauaì PEP 90 Gouania vitifolia Oàhu PEP Gouania vitifolia Hawaiì PEP Gouania vitifolia Maui PEP-EXTIRPATED 91 Hesperomannia oahuensis Oàhu PEP 92 Hibiscadelphus distans Kauaì PEP 3

4 93 Hibiscadelphus giffardianus Hawaiì PEP-Extinct in Wild 94 Hibiscadelphus hualalaiensis Hawaiì PEP-Extinct in Wild 95 Hibiscadelphus stellatus Maui PEP 96 Hibiscadelphus woodii Kauaì PEP-EXTINCT? 97 Hibiscus brackenridgei subsp. brackenridgei Molokaì PEP-EXTIRPATED Hibiscus brackenridgei subsp. brackenridgei Maui PEP Hibiscus brackenridgei subsp. brackenridgei Hawaiì PEP Hibiscus brackenridgei subsp. brackenridgei Lanaì PEP 98 Huperzia nutans Oàhu PEP Huperzia nutans Kauaì PEP-EXTIRPATED? 99 Huperzia stemmermanniae Maui PEP-EXTIRPATED? Huperzia stemmermanniae Hawaiì PEP 100 Isodendrion pyrifolium Maui PEP-EXTIRPATED Isodendrion pyrifolium Lanaì PEP-EXTIRPATED Isodendrion pyrifolium Molokaì PEP-EXTIRPATED Isodendrion pyrifolium Oàhu PEP-EXTIRPATED Isodendrion pyrifolium Niìhau PEP Isodendrion pyrifolium Hawaiì PEP 101 Kadua cordata subsp. remyi Lanaì PEP 102 Kadua degeneri var. coprosmifolia Oàhu PEP-EXTINCT? 103 Kadua haupuensis Kauaì PEP-Extinct in wild 104 Kadua laxiflora Lanaì PEP-Extirpated in Wild Kadua laxiflora Molokaì PEP-EXTIRPATED? Kadua laxiflora Maui PEP-EXTIRPATED? 105 Kadua st.-johnii Kauaì PEP 106 Kanaloa kahoolawensis Kahoòlawe PEP 107 Kokia cookei Molokaì PEP-Extinct in wild 108 Kokia drynarioides Hawaiì PEP 109 Kokia kauaiensis Kauaì PEP 110 Labordia cyrtandrae Oàhu PEP 111 Labordia lorenciana Kauaì PEP 112 Labordia lydgatei Kauaì PEP 113 Labordia tinifolia var. lanaiensis Lanaì PEP 114 Labordia tinifolia var. wahiawaensis Kauaì PEP 115 Labordia triflora Molokaì PEP 116 Lepidium orbiculare Kauaì PEP 117 Lobelia dunbariae subsp. dunbariae Molokaì PEP-EXTINCT? 118 Lobelia monostachya Oàhu PEP 119 Lobelia oahuensis Oàhu PEP 120 Lysimachia iniki Kauaì PEP 121 Lysimachia lydgatei Maui PEP 122 Lysimachia maxima Molokaì PEP 123 Lysimachia ovoidea Kauaì PEP 124 Lysimachia pendens Kauaì PEP 125 Lysimachia scopulensis Kauaì PEP 126 Lysimachia sp. nov. (Kauai) Kauaì PEP 127 Lysimachia venosa Kauaì PEP 4

5 128 Melanthera kamolensis Maui PEP 129 Melanthera micrantha subsp. micrantha Kauaì PEP 130 Melanthera populifolia Lanaì PEP-EXTINCT? 131 Melanthera waimeaensis Kauaì PEP 132 Melicope adscendens Maui PEP 133 Melicope cf. reflexa Molokaì PEP 134 Melicope degeneri Kauaì PEP 135 Melicope haupuensis Kauaì PEP 136 Melicope hiiakae Oàhu PEP 137 Melicope knudsenii Kauaì PEP Melicope knudsenii Maui PEP 138 Melicope lydgatei Oàhu PEP 139 Melicope mucronulata Molokaì PEP Melicope mucronulata Maui PEP-EXTIRPATED 140 Melicope quadrangularis Kauaì PEP 141 Melicope sp. nov. (Kauai) Kauaì PEP 142 Melicope sp. nov. (West Maui) Maui PEP 143 Melicope wailauensis Molokaì PEP-EXTINCT? 144 Melicope zahlbruckneri Hawaiì PEP 145 Myrsine knudsenii Kauaì PEP 146 Myrsine mezii Kauaì PEP 147 Neraudia angulata var. dentata Oàhu PEP 148 Neraudia ovata Hawaiì PEP 149 PEP-EXTIRPATED (PEP- Neraudia sericea Kahoòlawe Extinct?) Neraudia sericea Molokaì PEP Neraudia sericea Maui PEP Neraudia sericea Lanaì PEP-EXTIRPATED (PEP- Extinct?) 150 Nothocestrum peltatum Kauaì PEP 151 Panicum niihauense Niìhau PEP-EXTIRPATED Panicum niihauense Kauaì PEP 152 Peperomia degeneri Molokaì PEP-EXTINCT? 153 Peperomia subpetiolata Maui PEP 154 Phyllostegia bracteata Maui PEP 155 Phyllostegia brevidens Maui PEP Phyllostegia brevidens Hawaiì PEP 156 Phyllostegia floribunda Hawaiì PEP 157 Phyllostegia haliakalae Maui PEP Phyllostegia haliakalae Lanaì PEP-EXTIRPATED Phyllostegia haliakalae Molokaì PEP-EXTIRPATED 158 Phyllostegia helleri Kauaì PEP 159 Phyllostegia hirsuta Oàhu PEP 160 Phyllostegia hispida Molokaì PEP 161 Phyllostegia kaalaensis Oàhu PEP-Extinct in wild 162 Phyllostegia knudsenii Kauaì PEP-EXTINCT? 163 Phyllostegia mannii Maui PEP-EXTIRPATED 5

6 Phyllostegia mannii Molokaì PEP 164 Phyllostegia mollis Oàhu PEP 165 Phyllostegia parviflora var. glabriuscula Hawaiì PEP 166 Phyllostegia parviflora var. lydgatei Oàhu PEP-Extinct in Wild 167 Phyllostegia parviflora var. parviflora Oàhu PEP Phyllostegia parviflora var. parviflora Maui PEP-EXTIRPATED 168 Phyllostegia pilosa Maui PEP Phyllostegia pilosa Molokaì PEP-EXTIRPATED 169 Phyllostegia racemosa Hawaiì PEP 170 Phyllostegia stachyoides Maui PEP Phyllostegia stachyoides Hawaiì PEP Phyllostegia stachyoides Molokaì PEP 171 Phyllostegia waimeae Kauaì PEP 172 Phyllostegia warshaueri Hawaiì PEP 173 Phyllostegia wawrana Kauaì PEP 174 Pittosporum halophilum Molokaì PEP 175 Pittosporum hawaiiense Hawaiì PEP 176 Plantago hawaiensis Hawaiì PEP 177 Plantago princeps var. anomala Oàhu N/A Plantago princeps var. anomala Kauaì PEP 178 Plantago princeps var. laxifolia Hawaiì PEP-EXITRPATED? Plantago princeps var. laxifolia Maui PEP Plantago princeps var. laxifolia Molokaì PEP-EXTIRPATED? 179 Platanthera holochila Molokaì PEP Platanthera holochila Maui PEP Platanthera holochila Oàhu PEP-EXTIRPATED Platanthera holochila Kauaì PEP 180 Platydesma cornuta var. cornuta Oàhu PEP 181 Platydesma remyi HawaiÌ PEP 182 Polyscias bisattenuata Kauaì PEP 183 Polyscias flynnii Kauaì PEP 184 Polyscias lydgatei Oàhu PEP 185 Portulaca sclerocarpa Lanaì PEP Portulaca sclerocarpa HawaiÌ PEP 186 Pritchardia bakeri Oàhu PEP 187 Prtichardia gordonii Hawaiì PEP 188 Pritchardia kahukuensis Oàhu PEP 189 Pritchardia maideniana Hawaiì PEP 190 Pritchardia munroi Molokaì PEP 191 Pritchardia schattaueri Hawaiì PEP 192 Pritchardia viscosa Kauaì PEP 193 Psychotria grandiflora Kauaì PEP 194 Psychotria hexandra subsp. oahuensis var. oahuensis Oàhu PEP 195 Pteris lidgatei Molokaì PEP Pteris lidgatei Maui PEP Pteris lidgatei Oàhu PEP 6

7 196 Ranunculus hawaiensis Hawaiì PEP Ranunculus hawaiensis Maui PEP 197 Remya montgomeryi Kauaì PEP 198 Scaevola hobdyi Maui PEP-EXTINCT? 199 Schiedea adamantis Oàhu PEP 200 Schiedea attenuata Kauaì PEP 201 Schiedea diffusa subsp. macraei Hawaiì PEP 202 Schiedea haleakalensis Maui PEP 203 Schiedea hawaiiensis Hawaiì PEP 204 Schiedea jacobii Maui PEP-Extinct in Wild 205 Schiedea kaalae Oàhu PEP 206 Schiedea kauaiensis Kauaì PEP 207 Schiedea laui Molokaì PEP 208 Schiedea membranacea Kauaì PEP 209 Schiedea nuttalii Oàhu PEP Schiedea nuttalii Maui PEP-EXTIRPATED Schiedea nuttalii Molokaì PEP-EXTIRPATED 210 Schiedea obovata Oàhu PEP 211 Schiedea perlmanii Kauaì PEP 212 Sicyos albus Hawaiì PEP 213 Sicyos hillebrandii Maui PEP 214 Sicyos lanceoloideus Oàhu PEP Sicyos lanceoloideus Kauaì PEP 215 Sicyos macrophyllus Hawaiì PEP 216 Silene alexandri Molokaì PEP 217 Silene perlmanii Oàhu PEP-Extinct in Wild 218 Solanum sandwicense Oàhu PEP-Extirpated in Wild Solanum sandwicense Kauaì PEP 219 Stenogyne bifida Molokaì PEP 220 Stenogyne campanulata Kauaì PEP 221 Stenogyne cranwelliae Hawaiì PEP 222 Stenogyne kaalae subsp. sherffii Oàhu PEP-Extinct in Wild 223 Stenogyne kanehoana Oàhu PEP 224 Stenogyne kauaulaensis Maui PEP 225 Stenogyne kealiae Kauaì PEP 226 Tetramolopium capillare Maui PEP-EXTINCT? 227 Tetramolopium lepidotum subsp. lepidotum Lanaì PEP-EXTIRPATED Tetramolopium lepidotum subsp. lepidotum Oàhu PEP 228 Tetramolopium remyi Lanaì PEP Tetramolopium remyi Maui PEP-EXTIRPATED 229 Urera kaalae Oàhu PEP 230 Vicia menziesii Hawaiì PEP 231 Viola helenae Kauaì PEP 232 Viola kauaensis var. hosakae Oàhu PEP 233 Viola kauaensis var. wahiawaensis Kauaì PEP 234 Wikstroemia skottsbergiana Kauaì PEP 235 Wikstroemia villosa Maui PEP 7

8 236 Xylosma crenatum Kauaì PEP 237 Zanthoxylum dipetalum var. tomentosum Hawaiì PEP 238 Zanthoxylum oahuense Oàhu PEP Designation Definitions PEP = Plant Extinction Prevention = Taxon has fewer than 50 individuals in the wild PEP-Extinct in wild = Wild founders extinct, outplanted progeny exists that serve as founders; taxon has fewer than 50 individuals in the wild. PEP-Extirpated in wild = wild founders extirpated on the island, outplanted progeny exists that serve as founders; taxon has fewer than 50 individuals in the wild. PEP-EXTINCT? = (Possibly extinct) Taxon not seen for over 20 years, habitat remains, some hope of discovery remains (refers to entire species) POP = POtentially PEP = Taxon has more than 50 but extremely vulnerable ROI = Rare On Island = Taxon that occurs on other islands but is rare on a particular island (<50) EXTIRPATED? = (Possibly extirpated) Taxon not seen for over 20 years; habitat remains, some hope of discovery remains (refers to island-level extirpations) EXTIRPATED = Not located despite extensive searches, very little hope of discovery remains (refers to island-level extirpations) EXTINCT = Not located despite extensive searches, very little hope of discovery remains TBD = To be determined. 8