Potamogeton crispus Scorecard

Species:  Potamogeton crispus

Common Name:  curlyleaf pondweed

Scorecard created on
Last Updated on

Results

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

Ability to Respond Total:4 / 25Ability to Respond = ( Ease of Response + Tools in Place )

Confidence:High

Confidence Notes:

Impact

SpreadNotesScore
Spread RateRapid spread in waterways.4
Spread AmountTolerates fresh or slightly brackish water and can grow in shallow, deep, still or flowing water. Plants can grow in clear or turbid water, but are mostly shade intolerant.4
DamageNotesScore
EcologicalPotential to out compete native species.3
AgriculturalImpact to commerical fisheries.2
Infrastructure3
CulturalImpact to sport fishing.3
HealthProvides good mosquito habitat.2
BenefitNotesScore
Ecological0
Agricultural0
Infrastructure0
CulturalPopular aquarium plant.1
HealthUsed as health supplement.1
Total19

Ability to Respond

Ease of ResponseNotesScore
DetectionDifficult to detect until established.2
ControlEradication difficult once established. Vegetative fragments are dispersed by mechanical removal. Before they die, they form vegetative propagules called turions (hardened stem tips) that disperse by water movement.1
Tools in PlaceNotesScore
Entry0
Control0
OutreachOn Cal-IPC list.1
Total4

References

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