WAIFS OR PLANTED INDIVIDUALS; NOT REPRODUCING  
Aeonium? sp. aeonium
Borago officinalis (waif) borage
Calocedrus decurrens incense cedar
Carpobrotus chilensis sea-fig
Cistus sp. rock-rose
Crassula tetragone jade plant
Drosanthemum hispidum rosea iceplant
Fuchsia magellanica (pink cultivar) fuchsia
Juglans regia walnut
Laurus nobilis sweet bay
Olea europaea olive
Oxalis purpurea  
Pelargonium inquinans garden geranium
Pittosporum undulatum Victorian box
Pseudotsuga menziesii douglas-fir
Salix babylonica? weeping willow
Sequioa sempervirens redwood

 
REPORTED AS PRESENT IN 1968; NOT CURRENTLY DOCUMENTED
APIASTRUM ANGUSTIFOLIUM wild-celery
AQUILEGA FORMOSA western columbine
ATHYRIUM FELIX-FEMINA var. CYCLOSORUM western lady fern
BALSAMORHIZA sp. balsamroot
CALYSTEGIA OCCIDENTALIS ssp. OCCIDENTALIS western morning-glory
FESTUCA CALIFORNICA California fescue

 
REPORTED AS PRESENT IN 1990; NOT OBSERVED RECENTLY
BROMUS LAEVIPES woodland brome
CARDAMINE CALIFORNICA milkmaids
CIRSIUM BREVISTYLUM Indian thistle
GALIUM PORRIGENS var. PORRIGENS climbing bedstraw
GLYCERIA LEPTOSTACHYA mannagrass
MAIANTHEMUM RACEMOSUM [=SMILACINA RACEMOSA] false solomon’s-seal
PERSICARIA LAPATHIFOLIA willow-weed
[POLYGONUM LAPATHIFOLIUM]  
RUMEX TRANSITORIUS [=SALICIFOLIUS var. TRANSITORIUS] willow dock
VERONICA AMERICANA American speedwell or brooklime
ZANNICHELLIA PALUSTRIS horned pondweed

 
ERADICATED or NOT PERSISTING  
Anthemis cotula mayweed
Arundo donax## giant reed
Clarkia (cultivar) farewell-to-spring
Cosmos bipinnatus garden cosmos
Cymbalaria muralis Kenilworth-ivy
Cynara cardunculus# cardoon
Dipsacus sativus teasel
Echium candicans pride-of-Madiera
Eriobotrya japonica loquat
Euphorbia characias gopher-purge
Gastridium phleoides [=ventricosum] nitgrass
Helianthus annuus (cultivar) sunflower
Helianthus tuberosus Jerusaleum-artichoke
Hyacinthoides hispanica [=Endymion (=Scilia) hispanicus] Spanish bluebell
Impatiens balfourii [=balfouriana] purple touch-me-not
Kniphofia uvaria red-hot poker
Lepidium latifolium# perennial pepperweed
Medicago sativa alfalfa
Mirabilis jalapa four-o’clock
Panicum miliaceum broomcorn millet
Pericallis x hybrida [=Senecio hybridus] cineraria
Ranunculus muricatus spiny buttercup
Ricinus communis castor-bean
Scabiosa atropurpurea pincushion flower
Spergularia bocconi sand-spurrey
Zantedeschia aethiopica calla-lily