Report to the Republic of Palau: 2008 update on Invasive Plant ...

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Airai State Scientific Name Common name Comments and recommendations Acacia farnesiana Elling<strong>to</strong>n curse, klu Eradicate. Aeschynomene americana American joint vetch Calliandra calothyrsus powderpuff, red calliandra Chloris virgata Episcia reptans Flemingia macrophylla fea<strong>the</strong>r finger grass, fea<strong>the</strong>ry Rhodes grass flame violet no common name Map extent <strong>of</strong> infestation, determine if control or eradication is needed. Eradicate if <strong>of</strong> limited extent. Map extent <strong>of</strong> infestation and evaluate whe<strong>the</strong>r control or eradication is needed. Request or conduct a risk assessment <strong>to</strong> determine fur<strong>the</strong>r management action. Discontinue planting, moni<strong>to</strong>r for spread. Imperata cylindrica kasoring, cogon grass Continue eradication project at <strong>the</strong> airport. Melia azedarach Chinaberry Eradicate, follow up on distribution. Pennisetum setaceum fountain grass Eradicate if still present, follow up on distribution. Pistia stratiotes duckweed, water lettuce Find source, eradicate if feasible. Pi<strong>the</strong>cellobium dulce Spathodea campanulata Timonius timon Melekeok State kamatsíri, opiuma, Madras thorn orsachel kui, African tulip tree liberal Locate any additional specimens; moni<strong>to</strong>r for invasiveness; eradicate if <strong>of</strong> limited extent. Obtain landowner permission <strong>to</strong> remove last known remaining trees. Eradicate planted and reproducing tree; search for o<strong>the</strong>rs and eradicate if found. Scientific Name Common name Comments and recommendations Erechtites hieraciifolius fireweed Determine extent <strong>of</strong> infestation; evaluate for eradication. Imperata cylindrica kasoring, cogon grass Eradicate. Melampodium divaricatum Thunbergia grandiflora Ngaraard State blackfoot, golden but<strong>to</strong>n bung el etiu, blue trumpet vine Evaluate potential for naturalization and spread (conduct or request a risk assessment). Eradicate. Scientific Name Common name Comments and recommendations Melinis minutiflora molasses grass Moni<strong>to</strong>r spread, particularly after fires. Ngarchelong State Scientific Name Common name Comments and recommendations Striga asiatica Asiatic witchweed Map extent <strong>of</strong> infestation and evaluate for eradication. 50
Ngatpang State Scientific Name Common name Comments and recommendations Clidemia hirta Koster’s curse Evaluate for control strategies. Hyptis pectinata mint weed Evaluate distribution, eradicate if possible. Melaleuca Survey for extent and reproduction; consider control measures <strong>to</strong> limit cajeput, paper bark tree quinquenervia spread, particularly in moist areas. Eliminate individual plants; assist landowners in eliminating plants, evaluate Solanum <strong>to</strong>rvum prickly solanum, devil’s fig for eradication. Thunbergia bung el etiu, blue trumpet Eradicate grandiflora vine Ngeremlengui State Scientific Name Common name Comments and recommendations Senna siamea cassod tree Siamese cassia Eradicate if <strong>of</strong> limited extent. Ngiwal State Scientific Name Common name Comments and recommendations Antigonon lep<strong>to</strong>pus dilngau, chain <strong>of</strong> love Control outside <strong>of</strong> cultivation, work <strong>to</strong> eventually eradicate. Koror State Koror, Malakal and Ngerkebesang Scientific Name Common name Comments and recommendations Antigonon lep<strong>to</strong>pus chain <strong>of</strong> love Control outside <strong>of</strong> cultivation, work <strong>to</strong> eventually eradicate. Cala<strong>the</strong>a majestica Moni<strong>to</strong>r for possible spread and <strong>to</strong> determine if control or eradication is no common name [=C. princeps] needed. Calliandra pink powder puff Moni<strong>to</strong>r for spread and eliminate if possible; discourage fur<strong>the</strong>r planting. surinamensis Costus woodsonii Indian-head ginger, red cane Moni<strong>to</strong>r for spread, eradicate if possible. Eichhornia crassipes bung el ralm, water hyacinth Evaluate for extent, eradicate if possible. Episcia reptans flame violet Request or conduct a risk assessment <strong>to</strong> determine fur<strong>the</strong>r management action. Flemingia macrophylla no common name Discontinue planting, moni<strong>to</strong>r for spread, eradicate if naturalizing. Imperata cylindrica kasoring, cogon grass Eradicate if <strong>the</strong> non-flowering infestation on Ngerkebesang proves <strong>to</strong> be I. cylindrica. Inga edulis ice cream bean Investigate source; search for additional introductions; eradicate. Ipomoea quamoclit asangao, star <strong>of</strong> Bethlehem Eradicate if <strong>of</strong> limited extent. Melia azedarach Chinaberry Eradicate, follow up on distribution. Pennisetum setaceum fountain grass Eradicate if still present, follow up on distribution. Thunbergia bung el etiu, blue trumpet Control outside <strong>of</strong> cultivation, evaluate for eradication. grandiflora vine Timonius timon liberal Eradicate planted tree on Ngerkebesang and any o<strong>the</strong>rs found. Rock Islands We found few changes in <strong>the</strong> islands revisited after five years. One thing that may be helping is <strong>the</strong> activity <strong>of</strong> <strong>the</strong> Koror State Rangers in maintaining <strong>the</strong> cleanliness <strong>of</strong> <strong>the</strong>se sites. Perhaps this could be taken fur<strong>the</strong>r by training <strong>the</strong> Rangers <strong>to</strong> recognize and remove <strong>the</strong> more likely 51
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Report to<
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Pulo Ana ..........................
Page 7 and 8: Report to<
Page 9 and 10: of known or potent
Page 11 and 12: Leucas lavandulifolia [voucher 9929
Page 13 and 14: Rock Islands We were especially int
Page 15 and 16: 2. Species that are subjects <stron
Page 17 and 18: Clidemia hirta (kúi, Koster’s cu
Page 19 and 20: Timonius timon (Liberal) is widespr
Page 21 and 22: cultivation but this tree-climbing
Page 23 and 24: introduced to Penr
Page 25 and 26: Australia). Its weed risk assessmen
Page 27 and 28: lathyroides (cow pea, phasey bean),
Page 29 and 30: Cestrum diurnum (day cestrum, day j
Page 31: Piper auritum (eared pepper, also c
Page 34 and 35: has worked informally with
Page 36 and 37: Agriculture invasive species <stron
Page 38 and 39: Table A. Priority species for exclu
Page 40 and 41: Table B. Cultivated species <strong
Page 42 and 43: Table C. Critical species that shou
Page 44 and 45: Table D. Summary of</strong
Page 46 and 47: Table D. Summary of</strong
Page 49 and 50: • Adenanthera pa
Page 51 and 52: The Queensland Department o
Page 53 and 54: elsewhere in the P
Page 55: land clearing and timber harvesting
Page 59 and 60: Ngercheu (Carp Resort) Scientific N
Page 61 and 62: Appendix 1. Invasive plant species
Page 63 and 64: Table 2. Major species that are inv
Page 65 and 66: Table 3. Other spe
Page 67 and 68: Table 3. Other spe
Page 69 and 70: Table 4. Other inv
Page 73 and 74: Appendix 2. Invasive plant species
Page 75 and 76: Table 1. Invasive plant species <st
Page 95 and 96: Appendix 3. Invasive species presen
Page 97 and 98: Scientific Name Hawai'i Guam Yap Pa
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Scientific Name Hawai'i Guam Yap Pa
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Table 1. Invasive species o
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Appendix 5. Other
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Table 1. Other inv
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Table 2. Other inv
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Table 2. Other inv
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Table 3. Other inv
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Table 5. Other inv
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Table 6. Other inv
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Table 8. Other inv
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Appendix 6. Presence of</st
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Table 2. Species of</strong
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Table 1. Other spe
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Table 2. Other spe
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Table 3. Other spe
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Table 3. Other spe
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Table 4. Other spe
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Table 4. Other spe
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Table 5. Other spe
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Table 5. Other spe
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Table 6. Other spe
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Table 6. Other spe
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Table 6. Other spe
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Table 7. Other spe
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Table 7. Other spe
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Table 8. Other spe
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Table 8. Other spe
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Table 8. Other spe
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Table 9. Other spe
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Table 9. Other spe
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Appendix 8. Risk assessments for in
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Synonym Listed as Family Gomphrena
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Fosberg, F. R., and M.-H. Sachet. 1
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Stoddart, D. R. 19
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