| Impact ID |
Scientific Name
|
Impact Type
|
Study Type
|
Study Location
|
Impact Description
|
Geographic Location
|
Reference
|
|
3810
|
Butomus umbellatus
|
Competition
|
Anecdotal
|
Field
|
The author states that in the St. Lawrence River area of the United States, that this species encroaches upon and eliminates some native plant species.
|
St. Lawrence River Drainage, USA
|
10394
|
|
3905
|
Butomus umbellatus
|
Competition
|
Anecdotal
|
Field
|
Appeared to be outcompeting cattails and willows in Idaho.
|
Snake River, Idaho Falls, Bonneville County, Idaho, USA
|
10398
|
|
5712
|
Butomus umbellatus
|
Competition
|
Anecdotal
|
N/A
|
In Minnesota, Butomus umbellatus appears to have the ability to outcompete the native Scirpus spp..
|
Minnesota, United States
|
5162
|
|
7843
|
Butomus umbellatus
|
Competition
|
Anecdotal
|
N/A
|
Butomus umbellatus forms dense stands in southern Lake Champlain, where it appears to displace native species.
|
Lake Champlain, New York, USA
|
18753
|
|
7844
|
Butomus umbellatus
|
Competition
|
Anecdotal
|
N/A
|
Butomus umbellatus can displace native riparian vegetation via competition and could diminish native biodiversity as a result.
|
|
25146
|
|
7845
|
Butomus umbellatus
|
Competition
|
Observational
|
Field
|
Shannon diversity indices and the number of native plant species were greater at sampling stations with Butomus umbellatus than at stations with the harmful exotic grasses Phalaris arundinacea and Phragmites australis. Researchers speculated that even the densest populations of flowering rush may leave some available space for native species as a result of its particular growth form.
|
St. Lawrence River
|
25139
|