Pacific Island Ecosystems at Risk (PIER)
Risk Assessments
Risk assessments for species beginning with
the letter "R":
Scientific Name | Family | Common name | Risk assessment | Country or Area | Score | Recommendation |
Ranunculus muricatus | Ranunculaceae | spinyfruit buttercup | Assessment | U.S. (Florida) | 7 | reject |
Ranunculus parviflorus | Ranunculaceae | smallflower buttercup | Assessment | U.S. (Florida) | 4 | accept* |
Raphia farinifera | Arecaceae | raffia palm | Assessment | Pacific | 5 | evaluate |
Rapistrum rugosum | Brassicaceae | bastard cabbage | Assessment | Pacific | 5 | evaluate |
Rauvolfia vomitoria | Apocynaceae | poison devil's pepper | Assessment | Pacific | 21 | high risk |
Ravenala madagascariensis | Strelitziaceae | traveler's palm | Assessment | Pacific | 5 | evaluate |
Ravenea rivularis | Arecaceae | majesty palm | Assessment | Pacific | -3 | low risk |
Reinhardtia gracilis | Arecaceae | window pane palm | Assessment | Pacific | 4 | high risk* |
Remusatia pumila | Araceae | Assessment | U.S. (Florida) | 4 | accept* | |
Rhaphiolepis indica | Rosaceae | Indian hawthorn | Assessment | Pacific | 3 | low risk* |
Rhaphiolepis umbellata | Rosaceae | Japanese hawthorn | Assessment | Pacific | 0 | evaluate* |
Rhapis excelsa |
Arecaceae |
lady palm |
Pacific |
0 |
low risk |
|
Rhipsalis baccifera | Cactaceae | mistletoe cactus | Assessment | Pacific | 0 | low risk |
Rhizophora mangle | Rhizophoraceae | red mangrove | Assessment | Pacific | 13 | high risk |
Ericaceae |
evergreen azalea |
Pacific |
4 |
evaluate |
||
Rhododendron simsii | Ericaceae | Formosa azalea | Assessment | U.S. (Florida) | 0 | accept |
Rhodomyrtus tomentosa | Myrtaceae | rose myrtle | Assessment | Pacific | 8 | high risk |
Rhus taitensis | Anacardiaceae | sumac | Assessment | Pacific | 7 | high risk** |
Richardia brasiliensis | Rubiaceae | Brazilian pusley | Assessment | U.S. (Florida) | 7 | reject |
Richardia scabra | Rubiaceae | Florida pusley | Assessment | U.S. (Florida) | 8 | reject |
Ricinus communis | Euphorbiaceae | castor bean | Assessment | Australia | 8 | reject |
Ricinus communis | Euphorbiaceae | castor bean | Assessment | Pacific | 21 | high risk |
Ricinus communis | Euphorbiaceae | castor bean | Assessment | U.S. | 24 | reject |
Ricinus communis | Euphorbiaceae | castor bean | Assessment | U.S. (Florida) | 24 | reject |
Rivina humilis | Phytolaccaceae | pigeonberry | Assessment | Pacific | 11 | high risk |
Rohdea watanabei | Liliaceae | Assessment | U.S. (Florida) | 0 | accept | |
Roldana petasitis | Asteraceae | velvet groundsel | Assessment | Pacific | 12 | high risk |
Rondeletia amoena | Rubiaceae | rondeletia | Assessment | Pacific | -2 | low risk |
Rondeletia leucophylla | Rubiaceae | Panama rose | Assessment | U.S. (Florida) | -1 | accept |
Rondeletia odorata |
Rubiaceae |
rondeletia |
Pacific |
-4 |
low risk |
|
Rosa laevigata | Rosaceae | Cherokee rose | Assessment | Pacific | 16 | high risk |
Rosa multiflora | Rosaceae | multiflora rose | Assessment | Pacific | 12 | high risk |
Rosenbergiodendron formosum | Rubiaceae | blackberry jam fruit | Assessment | Pacific | 1 | high risk* |
Rottboellia cochinchinensis | Poaceae | itchgrass | Assessment | U.S. (Florida) | 22 | reject |
Rottboellia cochinchinensis | Poaceae | itchgrass | Assessment | United States | high risk | |
Roystonia oleracea | Arecaceae | cabbage palm | Assessment | Pacific | -3 | low risk |
Arecaceae |
Florida royal palm |
Pacific |
0 |
low risk |
||
Rubus alceifolius | Rosaceae | giant bramble | Assessment | Australia | 11 | reject |
Rosaceae |
prickly Florida blackberry |
Pacific |
21.5 |
high risk |
||
Rubus discolor | Rosaceae | Himalayan blackberry | Assessment | Pacific | 24 | high risk |
Rubus ellipticus | Rosaceae | yellow Himalayan blackberry | Assessment | Pacific | 18 | high risk |
Rubus loganobaccus | Rosaceae | boysenberry | Assessment | Pacific | 11 | high risk |
Rubus 'Marion' | Rosaceae | Marionberry | Assessment | Pacific | 4 | evaluate |
Rubus 'Natchez' | Rosaceae | Rubus 'Natchez' | Assessment | Pacific | 7 | high risk |
Rubus niveus | Rosaceae | Ceylon raspberry | Assessment | Pacific | 19 | high risk |
Rubus rosifolius | Rosaceae | thimbleberry | Assessment | Pacific | 10 | high risk |
Rubus sieboldii | Rosaceae | Molucca raspberry | Assessment | Pacific | 10 | high risk |
Rubus 'Triple Crown' | Rosaceae | Triple Crown | Assessment | Pacific | 3 | evaluate |
Ruellia caroliniensis |
Acanthaceae |
Carolina wild petunia |
Pacific |
1 |
low risk* |
|
Ruellia makoyana | Acanthaceae | monkey plant | Assessment | U.S. (Florida) | -1 | accept |
Ruellia squarrosa | Acanthaceae | water bluebell | Assessment | Pacific | 7 | high risk |
Ruellia tuberosa | Acanthaceae | minnieroot | Assessment | Pacific | 8 | high risk |
Rumex brownii | Polygonaceae | brown dock | Assessment | Australia | 16 | reject |
Rumex crispus | Polygonaceae | curly dock | Assessment | Australia | 16 | reject |
Rumex crispus | Polygonaceae | curly dock | Assessment | U.S. (Florida) | 26 | reject |
Rumex pulcher | Polygonaceae | fiddle dock | Assessment | Australia | 16 | reject |
Rumex pulcher | Polygonaceae | fiddle dock | Assessment | U.S. (Florida) | 11 | reject |
Rumohra adiantiformis | Polypodiaceae | leatherleaf fern | Assessment | U.S. (Florida) | 3 | accept* |
Russelia equisetiformis | Scrophulariaceae | coralplant | Assessment | Pacific | -2 | low risk |
Ruttya fruticosa | Acanthaceae | rabbit ears | Assessment | Pacific | 1 | evaluate |
*Accepted or rejected based on
second screen.
**Native or early introduction in the Pacific region (excluding Hawaii).
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This page updated 14 December 2012