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Plants of the Lower Arroyo Seco

sticky snakeroot 1
Ageratina adenophora
Maltese star-thistle 2
Centaurea melitensis
spear thistle 3
Cirsium vulgare
milk thistle
Silybum marianum
Italian thistle 4
Carduus pycnocephalus
pineapple-weed 5
Matricaria discoidea
California sagebrush 6
Artemisia californica
California Mugwort 7
Artemisia douglasiana
common mugwort 8
Artemisia vulgaris
common dandelion 9
Taraxacum officinale
prickly lettuce 10
Lactuca serriola
Common Sow-thistle 11
Sonchus oleraceus
Cliff Aster 12
Malacothrix saxatilis
Flax-leaved Horseweed 13
Erigeron bonariensis
coyote brush 14
Baccharis pilularis
mule fat 15
Baccharis salicifolia
Cape-ivy 16
Delairea odorata
California brittlebush 2
Encelia californica
rough cocklebur 17
Xanthium strumarium

Edited by Jessica Blickley, some rights reserved (CC BY-SA)

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