Tamarix parviflora Scorecard

Species:  Tamarix parviflora

Common Name:  smallflower tamarisk

Scorecard created on
Last Updated on

Results

Impact Total:16 / 35Impact = ( Spread + Damage - Benefit )

Ability to Respond Total:17 / 25Ability to Respond = ( Ease of Response + Tools in Place )

Confidence:High

Confidence Notes:

Impact

SpreadNotesScore
Spread RateStill vigorously expanding its range in the southwestern US. Not as widely distributed in CA as saltcedar, but on Cache Creek it has more than doubled its population in the past 10 years (Cal-IPC).4
Spread AmountSouthern North Coast Ranges, southern Sierra Nevada foothills, eastern Sierra Nevada, Tehachapi Mountains, Central Valley, San Francisco bay reiogn, eastern South Coast Ranges, South Coast, and deserts to 800m (DiTomaso).4
DamageNotesScore
EcologicalHigh water use, increases soil salinity, increases flood and fire frequency (Cal-IPC).4
AgriculturalDue to plant's tremendous water use that affects ground and surface water availability (Vince Guide, pers comm).3
Infrastructure2
Cultural0
Health0
BenefitNotesScore
Ecological0
AgriculturalPopular ornamental plant.1
Infrastructure0
Cultural0
Health0
Total16

Ability to Respond

Ease of ResponseNotesScore
DetectionEasy to detect.5
ControlManual removal or systemic herbicides (DiTomaso). Biocontrols may help with control availability (Vince Guide, pers comm).3
Tools in PlaceNotesScore
EntryCDFA "B" rated noxious weed (Vince Guide, pers comm.)3
ControlLocal mandates in place and active biological control program not established.3
OutreachLocal outreach occuring. On CDFA and Cal-IPC list and brochures available.3
Total17

References