Plants of the Lower Arroyo Seco

Persian silk tree
Albizia julibrissin 1
bur clover
Medicago polymorpha 2
Small Melilot
Melilotus indicus 3
Spanish clover
Acmispon americanus 4
deerweed
Acmispon glaber 4
carob tree
Ceratonia siliqua 5
Hollyleaf Cherry
Prunus ilicifolia 6
trailing blackberry
Rubus ursinus 7
Toyon
Heteromeles arbutifolia 8
California Wild Rose
Rosa californica 9
hairy ceanothus
Ceanothus oliganthus 10
greenbark ceanothus
Ceanothus spinosus 11
coffeeberry
Frangula californica 12
hollyleaf redberry
Rhamnus ilicifolia 13
common fig
Ficus carica 14
stinging nettle
Urtica dioica 15
dwarf nettle
Urtica urens 16
scarlet pimpernel
Anagallis arvensis 17
greater periwinkle
Vinca major 18
catchweed bedstraw
Galium aparine 19
beavertail cactus
Opuntia basilaris 20
coastal prickly pear
Opuntia littoralis 21
California buckwheat
Eriogonum fasciculatum 22
common chickweed
Stellaria media 23
prostrate pigweed
Amaranthus albus 24
miner's lettuce
Claytonia perfoliata 25
sticky snakeroot
Ageratina adenophora 26
Maltese star-thistle
Centaurea melitensis 27
spear thistle
Cirsium vulgare 28
milk thistle
Silybum marianum
Italian thistle
Carduus pycnocephalus 29
pineapple-weed
Matricaria discoidea 30
California sagebrush
Artemisia californica 31
California Mugwort
Artemisia douglasiana 32
common mugwort
Artemisia vulgaris 33
common dandelion
Taraxacum officinale 34
prickly lettuce
Lactuca serriola 35
Common Sow-thistle
Sonchus oleraceus 36
Cliff Aster
Malacothrix saxatilis 4
Flax-leaved Horseweed
Erigeron bonariensis 37
coyote brush
Baccharis pilularis 21
mule fat
Baccharis salicifolia 38
Cape-ivy
Delairea odorata 39
California brittlebush
Encelia californica 27
rough cocklebur
Xanthium strumarium 40
common stork's-bill
Erodium cicutarium 41
Musk Stork's-bill
Erodium moschatum 42
Pacific poison oak
Toxicodendron diversilobum 43
lemonade berry
Rhus integrifolia 44
sugar bush
Rhus ovata 45
Brazilian pepper tree
Schinus terebinthifolius 46
laurel sumac
Malosma laurina 27
tree of heaven
Ailanthus altissima 47
boxelder maple
Acer negundo 48
California buckeye
Aesculus californica 49
California fuchsia
Epilobium canum 50
Tasmanian Blue Gum
Eucalyptus globulus 51
coast live oak
Quercus agrifolia 38
California scrub oak
Quercus berberidifolia 13
white alder
Alnus rhombifolia 52
Southern California Walnut
Juglans californica 6
great mullein
Verbascum thapsus 53
white sage
Salvia apiana 54
black sage
Salvia mellifera 4
Hummingbird Sage
Salvia spathacea 55
white horehound
Marrubium vulgare 3
Greater plantain
Plantago major 56
orange bush monkeyflower
Mimulus aurantiacus 9
scarlet monkeyflower
Mimulus cardinalis 12
California poppy
Eschscholzia californica 57
sacred datura
Datura wrightii 58
greenspot nightshade
Solanum douglasii 59
tree tobacco
Nicotiana glauca 60
black elderberry
Sambucus nigra 41
blue elderberry
Sambucus nigra caerulea 21
poison hemlock
Conium maculatum 61
common ivy
Hedera helix 62
cheeseweed mallow
Malva parviflora 63
chaparral bush-mallow
Malacothamnus fasciculatus 38
California bay
Umbellularia californica 64
Fremont cottonwood
Populus fremontii 13
black cottonwood
Populus trichocarpa 65
Arroyo Willow
Salix lasiolepis 6
Petty Spurge
Euphorbia peplus 66
spotted spurge
Euphorbia maculata 67
thyme-leafed spurge
Euphorbia serpillifolia 68
California croton
Croton californicus 4
Turkey Mullein
Croton setiger 6
castor bean
Ricinus communis 69
western sycamore
Platanus racemosa 70
puncture vine
Tribulus terrestris 71
Bermuda-buttercup
Oxalis pes-caprae 72
Shepherd's-purse
Capsella bursa-pastoris 73
Shortpod Mustard
Hirschfeldia incana 74
wild radish
Raphanus sativus 75
Sweet Alyssum
Lobularia maritima 76
Nasturtium
Tropaeolum majus 77
Chilicothe
Marah macrocarpa 4
buffalo gourd
Cucurbita foetidissima 4
golden currant
Ribes aureum 78
Fuchsiaflower Gooseberry
Ribes speciosum 79
Lanceleaf Liveforever
Dudleya lanceolata 38
American sweetgum
Liquidambar styraciflua 80
desert wild grape
Vitis girdiana 81
umbrella papyrus
Cyperus involucratus 82
wall barley
Hordeum murinum 83
great brome
Bromus diandrus 68
Common Soft-brome
Bromus hordeaceus 68
Pampas Grass
Cortaderia selloana 84
giant reed
Arundo donax 85
bulrush
Typha latifolia 86
Belladonna Lily
Amaryllis belladonna 87
common duckweed
Lemna minor 24
Mexican Fan Palm
Washingtonia robusta 88
small-leaf spiderwort
Tradescantia fluminensis 89
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