Wiry Knotweed
Polygonum majus
Calscape.org
Calscape.org
Marin Knotweed
Polygonum marinense
Calscape.org
Broadleaf Knotweed
Polygonum minimum
Calscape.org
Beach Knotweed
Polygonum paronychia
Calscape.org
Parry's
Polygonum parryi
Calscape.org
Milkwort Knotweed
Polygonum polygaloides
Calscape.org
Fruitleaf Knotweed
Polygonum polygaloides ssp. confertiflorum
Calscape.org
Modoc County Knotweed
Polygonum polygaloides ssp. esotericum
Calscape.org
Kellogg's Knotweed
Polygonum polygaloides ssp. kelloggii
Calscape.org
Bushy Knotweed
Polygonum ramosissimum
Calscape.org
Bushy Knotweed
Polygonum ramosissimum ssp. ramosissimum
Calscape.org
Polygonum sawatchense
Calscape.org
Polygonum sawatchense ssp. oblivium
Calscape.org
Polygonum sawatchense ssp. sawatchense
Calscape.org
Shasta Knotweed
Polygonum shastense
Calscape.org
Spurry Knotweed
Polygonum spergulariiforme
Calscape.org
California Sword Fern
Polystichum californicum
Calscape.org
Dudley's Sword Fern
Polystichum dudleyi
Calscape.org
Cliff Sword Fern
Polystichum imbricans
Calscape.org
Polystichum imbricans ssp. curtum
Calscape.org
Polystichum imbricans ssp. imbricans
Calscape.org
Kruckeberg's Sword Fern
Polystichum kruckebergii
Calscape.org
Lemmon's Holly Fern
Polystichum lemmonii
Calscape.org
Holly Fern
Polystichum lonchitis
Calscape.org
Western Sword Fern
Polystichum munitum
Calscape.org
Mountain Hollyfern
Polystichum scopulinum
Calscape.org
Narrow Leaved Cottonwood
Populus angustifolia
Calscape.org
Fremont Cottonwood
Populus fremontii
Calscape.org
Nimbus Fremont Cottonwood (male)
Populus fremontii 'Nimbus'
Calscape.org
Fremont Cottonwood
Populus fremontii ssp. fremontii
Calscape.org
Quaking Aspen
Populus tremuloides
Calscape.org
Black Cottonwood
Populus trichocarpa
Calscape.org
Slender Poreleaf
Porophyllum gracile
Calscape.org
Desert Portulaca
Portulaca halimoides
Calscape.org
Silverweed
Potentilla anserina
Calscape.org
Common Silverweed
Potentilla anserina ssp. anserina
Calscape.org
Pacific Potentilla
Potentilla anserina ssp. pacifica
Calscape.org
Black Rock Potentilla
Potentilla basaltica
Calscape.org
Biennial Cinquefoil
Potentilla biennis
Calscape.org
Brewer's Cinquefoil
Potentilla breweri
Calscape.org
Bruce's Cinquefoil
Potentilla bruceae
Calscape.org
Elegant Cinquefoil
Potentilla concinna
Calscape.org
Early Cinquefoil
Potentilla concinna var. proxima
Calscape.org
Crested Potentilla
Potentilla cristae
Calscape.org
Drummond's Cinquefoil
Potentilla drummondii
Calscape.org
Fan-foil
Potentilla flabellifolia
Calscape.org
Varileaf Cinquefoil
Potentilla glaucophylla
Calscape.org
Blueleaf Cinquefoil
Potentilla glaucophylla var. glaucophylla
Calscape.org
Slender Cinquefoil
Potentilla gracilis
Calscape.org
Potentilla gracilis var. elmeri
Calscape.org
Slender Cinquefoil
Potentilla gracilis var. fastigiata
Calscape.org
Slender Cinquefoil
Potentilla gracilis var. flabelliformis
Calscape.org
Graceful Cinquefoil
Potentilla gracilis var. gracilis
Calscape.org
Gray's Cinquefoil
Potentilla grayi
Calscape.org
Hickman's Cinquefoil
Potentilla hickmanii
Calscape.org
Jepson's Cinquefoil
Potentilla jepsonii
Calscape.org
Feather Cinquefoil
Potentilla millefolia
Calscape.org
Morefield's Cinquefoil
Potentilla morefieldii
Calscape.org
Newberry's Cinquefoil
Potentilla newberryi
Calscape.org
Prairie Cinquefoil
Potentilla pensylvanica