Ability to Respond Total:16 / 25Ability to Respond = ( Ease of Response + Tools in Place )
Confidence:Medium
Confidence Notes:Newly introduced to CA, little known about it in native range of South Africa and invaded range of Hawaii and Australia.
Impact
Spread
Notes
Score
Spread Rate
Population was first discovered in 2022. As more scouting continues, more plant are discovered, growing in disturbed areas, near roadsides, and natural vegetation.
4
Spread Amount
In Australia it can be found in a wide variety of habitats. Likely to invade large areas of California
5
Damage
Notes
Score
Ecological
Infestations are currently dense in California, unlike in Australia, where plants are mostly scattered.
4
Agricultural
Listed as weed of agriculture, impacts are difficult to ascertain, but currently grows well in disturbed areas in CA.
2
Infrastructure
Reported as a weed of disturbed areas, roadsides and occasionally landfills in Australia
1
Cultural
0
Health
0
Benefit
Notes
Score
Ecological
0
Agricultural
0
Infrastructure
0
Cultural
0
Health
0
Total
16
Ability to Respond
Ease of Response
Notes
Score
Detection
Plants are difficult to spot as they are short statured, plants are difficult to identify until growing larger or even flowering
2
Control
Control efforts are ongoing, plants can be hand pulled when larger or sprayed with herbicides
