 |
Cuscuta europaea (European dodder)
C. europaea has not proved to be a highly invasive species, but there are very significant risks of accidental introduction with contaminated crop...
|
 |
Cuscuta epithymum (alfalfa dodder)
C. epithymum has not proved to be a highly invasive species, but there are very significant risks of accidental introduction with contaminated crop...
|
 |
Cuscuta reflexa (dodder)
C. reflexa is less widespread than Cuscuta campestris, but is capable of serious crop damage where it does occur. It is classified as a 'principal'...
|
 |
Cyperus compressus (annual sedge)
C. compressus is a very prominent weed of rice in India (throughout the northern plains), Pakistan, Bangladesh and throughout South-East Asian...
|
 |
Cyperus rotundus (purple nutsedge)
In their survey of the world's weeds, Holm et al. (1977) deduced that C. rotundus was the worst, based on its occurrence in 52 crops in 92...
|
| |
Cytisus scoparius (broom)
The economic impact of broom in western North America has been estimated as at least US$ 11 million (Isaacson, 2000). No systematic economic...
|
 |
Dichrostachys cinerea (sickle bush)
D. cinerea is a fast growing tree that has become an undesirable weed and is particularly a problem in areas where there has been overgrazing. In...
|
 |
Delairea odorata (Cape ivy)
D. odorata has demonstrated its invasive nature on three continents, with California, USA and parts of Australia probably being the worst impacted...
|
 |
Dendroctonus ponderosae (black hills beetle)
This insect has not yet appeared outside its geographic range, therefore it can only be considered as potentially...
|
 |
Dendroctonus pseudotsugae (Douglas-fir beetle)
This insect has not established outside its geographic range and therefore can only be considered as potentially...
|