Ehrharta calycina Scorecard

Species:  Ehrharta calycina

Common Name:  purple veldtgrass

Scorecard created on
Last Updated on

Results

Impact Total:9 / 35Impact = ( Spread + Damage - Benefit )

Ability to Respond Total:7 / 25Ability to Respond = ( Ease of Response + Tools in Place )

Confidence:High

Confidence Notes:

Impact

SpreadNotesScore
Spread RateContinuing to spread, particularly on central coastal dunes. May be able to move north and south.3
Spread AmountPrimarily found in coastal dunes and shrubland. Also along roadsides in Central coast.3
DamageNotesScore
EcologicalCan inhibit the return of native vegetation, become dominant, sometimes growing in pure stands, and maintain dominance indefinitely.4
Agricultural0
Infrastructure0
CulturalDegrades aesthetics of coastal dune ecosystems.1
Health0
BenefitNotesScore
Ecological0
AgriculturalIntroduced as a forage species, but likely plays a minor role in this today.1
InfrastructureMay provide some benefit to infrastructure by preventing wind faciliated dune movement.1
Cultural0
Health0
Total9

Ability to Respond

Ease of ResponseNotesScore
DetectionDue to lack of many native perennial bunchgrasses in coast dune and shrubland areas, Ehrharta is fairly easy to detect.4
ControlControl is difficult with this perennial grass.2
Tools in PlaceNotesScore
EntryNothing in place0
ControlNo mandates0
OutreachThere is minor to some outreach on public awareness on the central coast by local agencies and other interest groups. On Cal-IPC list.1
Total7

References

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