Acroptilon repens Scorecard

Species:  Acroptilon repens

Common Name:  Russian knapweed

Scorecard created on
Last Updated on

Results

Impact Total:19 / 35Impact = ( Spread + Damage - Benefit )

Ability to Respond Total:11 / 25Ability to Respond = ( Ease of Response + Tools in Place )

Confidence:High

Confidence Notes:

Impact

SpreadNotesScore
Spread Raterapid reproduction, rapid growth, becoming naturalized.4
Spread Amountassociated with human dispersal, potential to be widespread.4
DamageNotesScore
Ecologicalserious impacts to grasslands. Moves in following Tamarix removal4
Agriculturaltoxic to horses, sheep and cattle4
Infrastructure0
Culturalaesthetic impacts2
Healthcontributes to fire spread.1
BenefitNotesScore
Ecologicalmajor competitor of natives. comes in after Tamarix removal0
Agricultural0
InfrastructureNo apparent potential benefit.0
Cultural0
Health0
Total19

Ability to Respond

Ease of ResponseNotesScore
Detectiondetection occurs after establishment.3
Controldifficult to control once established.3
Tools in PlaceNotesScore
Entrynoxious weed.2
Controlcontrol required in nurseries, control elsewhere at the discretion of local County Agricultural Commissioner.2
OutreachOutreach info widely distributed.1
Total11

References

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