SCIENTIFIC NAME COMMON NAME

26% 24%

17%

12% 13% 11%

40%

44%

© Sustainable Conservation 2017 PlantRight.org

Highway iceplant

Pampas grass

Periwinkle

COHORT 1: ON PLANTRIGHT INVASIVE LIST SINCE 2006

Carpobrotus edulis

Cortaderia selloana

Pennisetum setaceum

Vinca major

COHORT 2: ADDED TO PLANTRIGHT INVASIVE LIST IN 2014

Eichhornia crassipes

Iris pseudacorus

Stipa tenuissima

CANDIDATE PLANTS

Berberis darwinii

Centranthus ruber

Erigeron karvinskianus

Helichrysum petiolare

Lamiastrum galeobdolon

Pennisetum alopecuroides

Pennisetum villosum

Phalaris arundinacea

Plecostachys serpyllifolia

Fountain grass

Darwin’s barberry

Red valerian

Mexican daisy

Yellow water iris

Water hyacinth

Mexican feathergrass

Feathertop

Reed canary grass

Licorice plant

Green fountain grass

Yellow archangel

Petite licorice

27%

30%

35%

31%

24%

29%

(n=44) (n=46) (n=55) (n=96) (n=106) (n=103) (n=17) (n=18) (n=25) (n=101) (n=123) (n=139) (n=3) (n=9) (n=9)

39% 35% 27% 40% 38% 26% 31% 28% 35% 24% 17% 12% 50% 0% 50%

16% 6%

3% 50% 26% 48% 48% 51% 53%

(n=107) (n=123) (n=160) (n=16) (n=19) (n=25) (n=143) (n=160) (n=146)

Because the survey sample included only a few stores in the Sierra & Coastal Mountain climate zone (9 stores), it is unwise to consider surveyed stores to be representative of

the population in this climate zone.

25.2%

22.5%

22%

4%

6.2%

4.3%

5% 6%

3.7%

4.1%

3.7%

3.8%

0.7%

2.6%

5.3%

2.5%

1.8%

0%

3.5%