Midpen Locally Rare Illustrated Plant List

Adiantum aleuticum Five finger fern

native
Fern

PTERIDACEAE

Agoseris hirsuta Woolly goat chicory

native
Perennial herb

Alisma lanceolatum Lanceleaf water plantain

non-native
Perennial herb (aquatic)

ALISMATACEAE

Allium falcifolium Scytheleaf onion, Sickle leaf onion

native
Perennial herb (bulb)

ALLIACEAE

Allium serra Jeweled onion

native
Perennial herb (bulb)

ALLIACEAE

Allophyllum divaricatum Purple false gilia, Purple false gilyflower, Straggling gilia

native
Annual herb

Allophyllum gilioides ssp. gilioides Dense false gilia, Dense false gilyflower

native
Annual herb

Ancistrocarphus filagineus False neststraw, Woolly fishhooks

native
Annual herb

Antirrhinum kelloggii Climbing snapdragon, Kellogg's snapdragon, Lax snapdragon

native
Annual herb

Antirrhinum multiflorum

native
Perennial herb

Orobanche californica ssp. jepsonii Jepson's california broom rape

native
Perennial herb (parasitic)

Aphyllon purpureum Purple broomrape

native
Annual herb

Aphyllon tuberosum Chaparral broomrape

native
Perennial herb (parasitic)

Apocynum cannabinum Indian hemp, Indianhemp dogbane, Hemp Dogbane

native
Perennial herb

APOCYNACEAE

Arceuthobium campylopodum Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe

native
Perennial herb (parasitic)

VISCACEAE

Arctostaphylos canescens ssp. sonomensis Rincon manzanita, Sonoma manzanita

native
Shrub

ERICACEAE

Arctostaphylos canescens ssp. sonomensis

Arnica discoidea Rayless arnica

native
Perennial herb

Athysanus pusillus Athysanus, Common sandweed, Dwarf athysanus

native
Annual herb

Boechera breweri ssp. breweri Brewer's rockcress

native
Perennial herb

Calandrinia breweri Brewer's calandrinia

• rare native
Annual herb

Calochortus tolmiei Hairy star tulip, Tolmie star tulip, Tolmie's star tulip

native
Perennial herb

LILIACEAE

Calypso bulbosa var. occidentalis Fairy slipper

native
Perennial herb

Calystegia collina ssp. collina Coast range false bindweed, Hillside morning glory

native
Perennial herb

CONVOLVULACEAE

Camissonia contorta Contorted sun cup, Plains evening primrose

native
Annual herb

Camissoniopsis hirtella Hairy sun cup

native
Annual herb

Camissoniopsis micrantha Spencer primrose

native
Annual herb

Carex amplifolia Ample leaved sedge, Big leaf sedge

native
Perennial grasslike herb

Carex densa Dense sedge, Sedge

native
Perennial grasslike herb

Carex hassei Hasse's sedge, Salt sedge

native
Perennial grasslike herb

Carex schottii Schott's sedge

native
Perennial grasslike herb

Carex serratodens Bifid sedge, Two tooth sedge

native
Perennial grasslike herb

Carex subbracteata Small bract sedge

native
Perennial grasslike herb

Castilleja applegatei ssp. martinii Martin's paintbrush, Wavyleaf indian paintbrush

native
Perennial herb

Ceanothus foliosus var. foliosus Wavy leaved ceanothus, Wavyleaf ceanothus

native
Shrub

RHAMNACEAE

Ceanothus integerrimus var. integerrimus Deer brush

native
Shrub

RHAMNACEAE

Ceanothus integerrimus var. integerrimus

Centromadia fitchii Spikeweed

native
Annual herb

Chaenactis glabriuscula var. heterocarpha Variable fruited yellow chaenactis, Yellow pincushion, Inner Coast Range Pincushion

native
Annual herb

Chaenactis glabriuscula var. heterocarpha

Chorizanthe diffusa Diffuse spineflower

native
Annual herb

Chorizanthe membranacea Pink spineflower

native
Annual herb

Cicendia quadrangularis Common microcalis, Oregon timwort

native
Annual herb

GENTIANACEAE

Clarkia affinis Chaparral clarkia, Chaparral fairyfan

native
Annual herb

Clarkia epilobioides Canyon clarkia, Willow herb clarkia

native
Annual herb

Clarkia rhomboidea Diamond clarkia, Diamond petaled clarkia, Diamond fairyfan

native
Annual herb

Claytonia exigua ssp. exigua Little spring beauty, Serpentine springbeauty, Viridis

native
Annual herb

Claytonia rubra ssp. rubra Red stemmed miner's lettuce, Redstem springbeauty

native
Annual herb

Cryptantha micromeres Minute flowered cryptantha, Pygmyflower cryptantha, Small flowered cryptantha

native
Annual herb

Cryptantha microstachys Popcorn flower, Tejon cryptantha

native
Annual herb

Cryptantha muricata var. jonesii Jones' cryptantha

native
Annual herb

Cryptantha torreyana var. pumila Dwarf cryptantha

native
Annual herb

Cuscuta californica var. californica California dodder, Chaparral dodder, Short flowered dodder

native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta subinclusa Canyon dodder

native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern

native
Fern

CYSTOPTERIDACEAE

Desmazeria rigida Ferngrass, Hard bluegrass

non-native
Annual grass

Dicentra formosa ssp. formosa Pacific bleeding heart

native
Perennial herb

PAPAVERACEAE

Diplacus congdonii Congdon's monkeyflower

native
Annual herb

Diplacus douglasii Purple mouse ears

native
Annual herb

Diplacus rattanii Rattan's monkeyflower

native
Annual herb

Dryopteris expansa Common wood fern, Spreading wood fern, Spreading woodfern

native
Fern

DRYOPTERIDACEAE

Dudleya cymosa ssp. cymosa Canyon dudleya, Canyon liveforever

native
Perennial herb

CRASSULACEAE

Ehrendorferia chrysantha Golden eardrops

native
Perennial herb

PAPAVERACEAE

Elymus trachycaulus ssp. trachycaulus Slender wheatgrass

native
Perennial grass

Elymus triticoides Beardless wild rye

native
Perennial grass

Elymus Xhansenii

native
Perennial grass

Emmenanthe penduliflora var. penduliflora Whispering bells, Whisperingbells

native
Annual herb

HYDROPHYLLACEAE

Emmenanthe penduliflora var. penduliflora

Epilobium torreyi Narrow boisduvalia, Narrow leaved boisduvalia, Torrey's willowherb

native
Annual herb

Epipactis gigantea Giant helleborine, Chatterbox orchid, Stream orchid

native
Perennial herb

Eriastrum abramsii Abrams' eriastrum, Abrams' woollystar

native
Annual herb

Ericameria arborescens Golden fleece, Goldenfleece

native
Shrub

Ericameria nauseosa var. speciosa Showy Rabbitbrush

native
Shrub

Erigeron petrophilus var. petrophilus Cliff fleabane, Rockloving erigeron

native
Perennial herb

Eriogonum fasciculatum var. foliolosum California buckwheat, Eastern mojave buckwheat, Red topped buckwheat

native
Shrub

Eriogonum gracile var. gracile Slender buckwheat, Slender woolly buckwheat

native
Annual herb

Eriogonum luteolum var. luteolum Golden buckwheat, Goldencarpet buckwheat

native
Annual herb

Eriogonum saxatile Hoary buckwheat, Rock buckwheat, Rock eriogonum

native
Perennial herb

Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower

native
Perennial herb

Eriophyllum lanatum var. arachnoideum Common woolly sunflower, Spiderweb sunflower, Wooly sunflower

native
Perennial herb

Erysimum capitatum var. capitatum Sanddune wallflower

native
Perennial herb

Erythranthe grandis

native
Perennial

Festuca elmeri Coast fescue, Elmer fescue

native
Perennial grass

Festuca occidentalis Western fescue

native
Perennial grass

Galium californicum ssp. californicum California bedstraw

native
Perennial herb

RUBIACEAE

Garrya fremontii Bearbrush, Fremont's silk tassel

native
Shrub

GARRYACEAE

Gilia achilleaefolia ssp. achilleaefolia California gilia

native
Annual herb

Gilia achilleaefolia ssp. achilleaefolia

Githopsis specularioides Common bluecup, Venus' looking glass

native
Annual herb

CAMPANULACEAE

Goodyera oblongifolia Rattlesnake plantain, Western rattlesnake plantain

native
Perennial herb

Hesperolinon micranthum Common dwarf flax, Small flower western flax, Small flowered dwarf flax

native
Annual herb

LINACEAE

Heterocodon rariflorum Few flowered heterocodon, Rareflower heterocodon, Western pear flower

native
Annual herb

CAMPANULACEAE

Hoita macrostachya California hemp, Large leather root

native
Perennial herb

Hosackia crassifolia var. crassifolia Broad leaved lotus

native
Perennial herb

Hosackia stipularis var. stipularis Stipulate lotus

native
Perennial herb

Hulsea heterochroma Red rayed hulsea, Redray alpinegold

native
Perennial herb

Hypericum scouleri Scouler's St John's wort

native
Perennial herb

HYPERICACEAE

Juncus bolanderi Bolander's rush

native
Perennial grasslike herb

JUNCACEAE

Keckiella corymbosa Red beardtongue, Redwood keckiella

native
Shrub

Kopsiopsis strobilacea ground cone, groundcone , California ground-cone

native
Perennial herb (parasitic)

Laennecia coulteri Coulter's horseweed

native
Annual herb

Lathyrus torreyi Redwood pea, Torrey's pea

native
Perennial herb

Layia gaillardioides Woodland layia, Woodland tidytips

native
Annual herb

Lewisia rediviva var. rediviva Bitter root

native
Perennial herb

Linanthus dichotomus ssp. meridianus Evening snow

native
Annual herb

Logfia filaginoides California cottonrose

native
Annual herb

Lupinus hirsutissimus Stinging annual lupine, Stinging lupine

native
Annual herb

Malacothrix clevelandii Cleveland's dandelion, Cleveland's desertdandelion, Cleveland's malacothrix

native
Annual herb

Malacothrix floccifera Woolly dandelion, Woolly desertdandelion, Woolly malacothrix

native
Annual herb

Melica subulata Alaska melic, Alaska onion grass, Alaska oniongrass

native
Perennial grass

Mentzelia dispersa Bushy blazingstar, Nada stickleaf, Scattered blazing star

native
Annual herb

LOASACEAE

Mentzelia lindleyi Lindley's blazing star, Lindley's blazingstar

native
Annual herb

LOASACEAE

Moehringia macrophylla Large leaved sandwort, Largeleaf sandwort

native
Perennial herb

Montia fontana Annual water minerslettuce, Water chickweed, Water montia

native
Annual herb

Montia parvifolia Littleleaf minerslettuce, Showy rock montia

native
Perennial herb

Myriopteris intertexta Coastal lip fern

native
Fern

PTERIDACEAE

Navarretia atractyloides Holly leaf navarretia, Hollyleaf pincushionplant

native
Annual herb

Navarretia heterodoxa Calistoga navarretia, Calistoga pincushionplant

native
Annual herb

Navarretia intertexta Interwoven navarretia, Needle leaved navarretia, Needleleaf navarretia

native
Annual herb

Navarretia mellita Honeyscented pincushionplant, Skunk navarretia

native
Annual herb

Navarretia pubescens Downy pincushionplant, Purple navarretia

native
Annual herb

Nuphar polysepala Rocky mountain pond-lily

native
Perennial herb (aquatic)

NYMPHAEACEAE

Packera breweri Brewer's ragwort

native
Perennial herb

Papaver heterophyllum Wind poppy

native
Annual herb

PAPAVERACEAE

Parnassia palustris Marsh grass of parnassus

native
Perennial herb

PARNASSIACEAE

Pellaea mucronata var. mucronata Bird's foot fern

native
Fern

PTERIDACEAE

Penstemon heterophyllus var. heterophyllus Foothill penstemon

native
Perennial herb

Penstemon heterophyllus var. heterophyllus

Penstemon heterophyllus var. purdyi Purdy's foothill penstemon

native
Perennial herb

Penstemon rattanii var. kleei Santa cruz mtns. beardtongue

• rare native
Perennial herb

Persicaria amphibia Water smartweed

native
Perennial herb (aquatic)

Phacelia rattanii Rattan's phacelia

native
Annual herb

HYDROPHYLLACEAE

Phacelia suaveolens Sweet scented phacelia, Sweetscented phacelia

native
Annual herb

HYDROPHYLLACEAE

Piperia elongata Dense flowered rein orchid, Denseflower rein orchid

native
Perennial herb

Piperia transversa Mountain piperia, Royal rein orchid, Flat Spurred Piperia

native
Perennial herb

Polystichum imbricans ssp. imbricans Narrowleaf swordfern, Rock sword fern

native
Fern

DRYOPTERIDACEAE

Prunus emarginata Bitter cherry

native
Tree, Shrub

ROSACEAE

Pyrola aphylla Leafless wintergreen

native
Perennial herb

ERICACEAE

Quercus berberidifolia Inland scrub oak

native
Tree

FAGACEAE

Quercus parvula var. shrevei Shreve oak, Shreve's oak

native
Tree

FAGACEAE

Ranunculus occidentalis var. occidentalis Western buttercup

native
Perennial herb

RANUNCULACEAE

Ranunculus occidentalis var. occidentalis

Rhamnus ilicifolia Evergreen buckthorn, Hollyleaf redberry

native
Shrub

RHAMNACEAE

Ribes aureum var. gracillimum Golden currant

native
Shrub

GROSSULARIACEAE

Rigiopappus leptocladus Rigiopappus, Wire weed, Wireweed

native
Annual herb

Minuartia douglasii Douglas' Stitchwort

native
Annual herb

Sagina decumbens ssp. occidentalis Western pearlwort

native
Annual herb

Salix exigua var. hindsiana Sandbar willow

native
Tree, Shrub

SALICACEAE

Salix scouleriana Nuttall willow, Scouler willow, Scouler's willow

native
Tree, Shrub

SALICACEAE

Salix sitchensis Coulter willow, Sitka willow

native
Tree, Shrub

SALICACEAE

Salvia mellifera Black sage

native
Shrub

LAMIACEAE

Scribneria bolanderi Scribner's grass, Scribneria

native
Annual grass

Sedum radiatum Coast range stonecrop

native
Annual herb

CRASSULACEAE

Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy spikemoss

native

SELAGINELLACEAE

Senecio aronicoides California butterweed, California groundsel, California rayless butterweed

native
Perennial herb

Silene antirrhina Sleepy catch fly, Sleepy catchfly, Sleepy silene

native
Annual herb

Streptanthus glandulosus ssp. glandulosus Bristly jewelflower

native
Annual herb

Streptanthus glandulosus ssp. glandulosus

Tiarella trifoliata var. unifoliata Oneleaf foamflower, Sugarscoop

native
Perennial herb

SAXIFRAGACEAE

Tonella tenella Lesser baby innocence, Small flowered tonella

native
Annual herb

Vaccinium parvifolium California red huckleberry, Red bilberry, red huckleberry

native
Shrub

ERICACEAE

Vancouveria planipetala Inside out flower, Redwood insideout flower, Redwood ivy

native
Perennial herb

BERBERIDACEAE

Viola purpurea ssp. quercetorum Goosefoot violet, Goosefoot yellow violet

native
Perennial herb

VIOLACEAE

Vulpia octoflora var. glauca Sixweeks fescue

native
Annual grass