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Hieracium caespitosum (yellow hawkweed)
H. caespitosum has spread rapidly to exotic locations outside its native range, namely to North America after its introduction as a garden...
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Hieracium pilosella (mouse-ear hawkweed)
H. pilosella has spread rapidly to exotic locations (e.g. New Zealand, North America and South America) after introduction as a garden ornamental...
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Lemna minuta
L. minuta is a small free-floating plant, no more than 3 mm in length. It is widely distributed in southern and western North America and...
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Scutellonema bradys (yam nematode)
All information on the economic importance of S. bradys is derived from research on yams (Dioscorea spp.). The primary importance of S. bradys on...
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Phragmidium pauciloculare
There is little published information on this plant pathogenic fungus, which is limited to parts of
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Morone americana (white perch)
M. americana can thrive in a wide range of environments, but is naturally found in brackish waters and can invade freshwater habitats....
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Gymnodinium catenatum
G. catenatum is a photosynthetic dinoflagellate that is most notable as the only naked dinoflagellate known to be responsible for...
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Solanum mauritianum (tree tobacco)
The South American tree S. mauritianum has been introduced to Africa, Australasia, India and islands of the Atlantic, Indian and Pacific Oceans....
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Tecia solanivora (potato tuber moth)
In Central America, the country most affected by T. solanivora is Costa Rica. Losses due to the pest in 1972 affected some 20-40% of national...
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Cherax cainii (smooth marron)
Cherax tenuimanus is one of the largest freshwater crayfish in the world and therefore the subject of continued interest for...
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