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Current Invasive Species News:
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![Citrus canker - Invasive.org](images/species/1262017_sm.jpg) |
Species
Profile -- Citrus Canker
USDA. NAL.
National Invasive Species Information Center.
Citrus canker is a bacterial disease that causes lesions
on the leave, stems, and fruit of citrus trees. While
not harmful to humans, the disease affects the health
and marketability of infected fruit. Citrus canker is
spread by wind and rain.
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![Wildland fire](images/fire.jpg) |
Wildland
Fire in Ecosystems: Fire and Nonnative Invasive Plants (Sep 2008)
USDA. FS.
Rocky Mountain Research Station.
RMRS-GTR-42, vol. 6.
This state-of-knowledge review of information on relationships
between wildland fire and nonnative invasive plants can
assist fire managers and other land managers concerned
with prevention, detection, and eradication or control
of nonnative invasive plants.
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![Rusty crayfish - USGS, FISC](images/species/rustycrayfish_sm.jpg) |
Species
Profile -- Rusty Crayfish
USDA. NAL.
National Invasive Species Information Center.
Rusty crayfish are an aggressive species that cause
a variety of negative environmental and economic impacts
when introduced to new waters. Rusty crayfish often
displace native or existing crayfish species and destroy
aquatic plant beds.
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