Keck's Bluegrass
Poa keckii
Calscape.org
Calscape.org
Kellogg's Blue Grass
Poa kelloggii
Calscape.org
Marsh Bluegrass
Poa leptocoma
Calscape.org
Letterman's Blue Grass
Poa lettermanii
Calscape.org
Seashore Blue Grass
Poa macrantha
Calscape.org
Napa Blue Grass
Poa napensis
Calscape.org
Piper's Blue Grass
Poa piperi
Calscape.org
Pringle's Bluegrass
Poa pringlei
Calscape.org
Timber Blue Grass
Poa rhizomata
Calscape.org
One Sided Blue Grass
Poa secunda
Calscape.org
Rush Blue Grass
Poa secunda ssp. juncifolia
Calscape.org
One-sided Bluegrass
Poa secunda ssp. secunda
Calscape.org
Sierra Blue Grass
Poa sierrae
Calscape.org
Stebbin's Bluegrass
Poa stebbinsii
Calscape.org
Delicate Blue Grass
Poa tenerrima
Calscape.org
Catalina Grass
Poa thomasii
Calscape.org
San Francisco Bluegrass
Poa unilateralis
Calscape.org
San Francisco Blue Grass
Poa unilateralis ssp. unilateralis
Calscape.org
Wheeler's Bluegrass
Poa wheeleri
Calscape.org
Sierra Podistera
Podistera nevadensis
Calscape.org
San Diego Mesa Mint
Pogogyne abramsii
Calscape.org
Santa Lucia Mint
Pogogyne clareana
Calscape.org
Douglas' Pogogyne
Pogogyne douglasii
Calscape.org
Douglas' Mesamint
Pogogyne douglasii ssp. parviflora
Calscape.org
Profuse-flowered Pogogyne
Pogogyne floribunda
Calscape.org
Otay Mesa Mint
Pogogyne nudiuscula
Calscape.org
Thymeleaf Beardstyle
Pogogyne serpylloides
Calscape.org
Sacramento Beardstyle
Pogogyne zizyphoroides
Calscape.org
Redwhisker Clammyweed
Polanisia dodecandra
Calscape.org
Western Clammyweed
Polanisia dodecandra ssp. trachysperma
Calscape.org
California Sky Pilot
Polemonium californicum
Calscape.org
Royal Sky Pilot
Polemonium carneum
Calscape.org
Mason's Sky Pilot
Polemonium chartaceum
Calscape.org
Mount Eddy Sky Pilot
Polemonium eddyense
Calscape.org
Showy Sky Pilot
Polemonium eximium
Calscape.org
Annual Polemonium
Polemonium micranthum
Calscape.org
Western Sky Pilot
Polemonium occidentale
Calscape.org
Sky Pilot
Polemonium pulcherrimum
Calscape.org
Jacob's-ladder
Polemonium pulcherrimum var. pulcherrimum
Calscape.org
Mount Shasta Jacob's-ladder
Polemonium pulcherrimum var. shastense
Calscape.org
Frosted Mint
Poliomintha incana
Calscape.org
California Manyseed
Polycarpon tetraphyllum ssp. depressum
Calscape.org
Desert Combleaf
Polyctenium fremontii
Calscape.org
Mrs. Austin's Knotweed
Polygonum austiniae
Calscape.org
Bidwell's Knotweed
Polygonum bidwelliae
Calscape.org
Bolander's Knotweed
Polygonum bolanderi
Calscape.org
California Knotweed
Polygonum californicum
Calscape.org
Douglas' Knotweed
Polygonum douglasii
Calscape.org
Scotts Valley Polygonum
Polygonum hickmanii
Calscape.org
Wiry Knotweed
Polygonum majus
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