Ability to Respond Total:5 / 25Ability to Respond = ( Ease of Response + Tools in Place )
Confidence:High
Confidence Notes:
Impact
Spread
Notes
Score
Spread Rate
Mainly restricted to disturbed sites or coastal and desert sage scrub.
3
Spread Amount
Limited in its ability to spread into many ecosystems.
2
Damage
Notes
Score
Ecological
May increase fuel loads, but only where alien grasses have already altered the fire regime. Responds rapidly to fire. Remains in place for years, interrupting succession. May be allelopathic.
3
Agricultural
Can harbor diseases that attack closely related crops.
1
Infrastructure
0
Cultural
0
Health
Animals confined to heavy infestations can be poisoned.
1
Benefit
Notes
Score
Ecological
0
Agricultural
0
Infrastructure
0
Cultural
Some people find the profuse yellow flowers to be aesthetically pleasing.
1
Health
0
Total
9
Ability to Respond
Ease of Response
Notes
Score
Detection
0
Control
Nearly always found in disturbed sites and it generally easy to detect.