Ability to Respond Total:9 / 25Ability to Respond = ( Ease of Response + Tools in Place )
Confidence:High
Confidence Notes:
Impact
Spread
Notes
Score
Spread Rate
One of the most widely distributed grasses in California.
4
Spread Amount
Very common in all grasslands and disturbed urban areas. Also a problem winter crops.
3
Damage
Notes
Score
Ecological
B. diandrus produces abundant potential fuel which can increase frequency or severity of fires. Generally does not form monotypic stands, so it does not cause the type of impact characteristic of other annual grasses, such as medusahead.
4
Agricultural
Can be a weed in winter crops.
3
Infrastructure
2
Cultural
Can impact recreational areas and be aesthetically unpleasing.
1
Health
Long awns can create a health problem in animals.
2
Benefit
Notes
Score
Ecological
0
Agricultural
Can provide good forage when young but once awns are produced they are avoided by animials.
1
Infrastructure
0
Cultural
0
Health
0
Total
18
Ability to Respond
Ease of Response
Notes
Score
Detection
Difficult to detect in seedling stage but easy when awns are present. Typically found in disturbed areas and not remote sites.
4
Control
Fairly easy to control with herbicides or prescribed burning.
