ROCK SPRING AREA: PLANT SPECIES CHECKLIST (by Doreen Smith and members of Marin Chapter
CNPS)
March 29 2004,
5 May 2007, 15 May 2007, 17 April 2008, last revised 11 March 2009.
ANACARDIACEAE (SUMAC FAMILY)
Toxicodendron
diversilobum Poison
Oak
APIACEAE/UMBELLIFERAE (PARSLEY FAMILY)\
Daucus
pusillus Rattlesnake
Weed
Lomatium
dasycarpum ssp. dasycarpum Hairy-petal
Hog Fennel
Lomatium
macrocarpum Yellow-
flowered Sheep Parsnip
Lomatium
utriculatum Spring
Gold
Sanicula
bipinnatifida Red-Purple
Sanicle
Sanicula
crassicaulis Pacific
Sanicle, Snakeroot
Sanicula
laciniata Cut-leaf
Sanicle
Sanicula
tuberosa Turkey
Pea, Cilantro Sanicle
Torilis
arvensis Hedge
Parsley *
ASTERACEAE (ASTER/ SUNFLOWER FAMILY)
Achillea
millefolium Yarrow
Agoseris
grandiflora
Dandelion
Agoseris
hirsuta Mountain
Dandelion
Agoseris
heterophylla Annual
Dandelion
Anisocarpus
madioides Woodland
Madia
Calycadenia
multiglandulosa White
Rosinweed
Cirsium
occidentale Cobweb
Thistle
Erigeron
reductus var. angustatus Pine
Erigeron
Eriophyllum
confertiflorum var. confertiflorum Golden
Yarrow
Eriophyllum
lanatum var. arachnoideum Woolly
Sunflower
Gamochaeta
purpurea Silverleaf
Cudweed
Grindelia
hirsutula var. davyi Sticky
Grindelia
Hedypnois cretica Cretan
dandelion *
Hemizonia
congesta ssp. lutescens Yellow
Hayfield Tarplant
Hesperevax
sparsiflora var. sparsiflora Common
Western Evax
Hieracium
albiflorum White
Hawkweed
Holozonia
filipes Streambed
–Tarplant, Greene’s white-crown
Hypochaeris
glabra Smooth
Cat's-ear *
Hypochaeris
radicata Hairy
Cat's-ear *
Lasthenia
californica (or L. gracilis) Slender
Goldfields
Logfia
filaginoides California
Cudweed
Logfia
gallica French
Cudweed *
Madia
exigua Thread-stem
Madia
Madia
gracilis Slender
Tarplant
Micropus
californicus Cotton
Top, Q-tips
Microseris
douglasii ssp. douglasii Douglas'
Dandelion
Psilocarphus
tenellus Small
Woolly Marbles
Rigiopappus
leptocladus Rigiopappus
Solidago
velutina ssp. californica Goldenrod
Soliva
sessilis Soliva *
Uropappus
lindleyii Silver
Puffs
Wyethia
angustifolia Narrow-leaf
Mule-ears
BORAGINACEAE (BORAGE FAMILY)
Cryptantha
flaccida
Nievitas
Plagiobothrys
sp. Wetland Popcorn-flower
Plagiobothrys
nothofulvus Common
Popcorn Flower
BRASSICACEAE (MUSTARD FAMILY)
Arabis
glabra Tower
Mustard
Athysanus
pusillus Little-pod
(unusual forma )
Cardamine
californica Woodland
Milk-maids
Cardamine
oligosperma Bitter-cress
Draba verna
(Erophila verna) Whitlow
Grass *
Lepidium
nitidum var. nitidum Shining
Peppergrass
Streptanthus
glandulosus ssp. pulchellus Mt.Tamalpais
Jewelflower LIST 1B
CALLITRICHACEAE (WATER STARWORT FAMILY)
Callitriche
sp. Water
Starwort
CAMPANULACEAE (BELLFLOWER FAMILY)
Campanula
griffinii White-
flowered Slender Harebell
Githopsis
specularioides Bluecup
CAPRIFOLIACEAE (HONEYSUCKLE FAMILY)
Lonicera
hispidula var.vacillans California
Honeysuckle
Symphoricarpos
mollis Short
Snowberry
CARYOPHYLLACEAE (PINK FAMILY)
Cerastium
glomeratum Annual
Mouse-ear Chickweed *
Minuartia
douglasii Serpentine
Sandwort
Moehringia
macrophylla Perennial
Sandwort
Paronychia
franciscana Whitlow-wort *
Petrorhagia
dubia Tunica,
Grass-pink *
Sagina
decumbens ssp. occidentalis Pearlwort
Scleranthus
annuus Knawel *
Silene
gallica Windmill
Pink *
Spergularia
rubra Common
Pink Spurry *
Stellaria
nitens Shining
Chickweed
CONVOLVULACEAE (MORNING-GLORY FAMILY)
Calystegia
collina Serpentine
Morning- glory
Calystegia
purpurata ssp. purpurata Vining
Morning-glory
Calystegia
subacaulis ssp. subacaulis Short-stem
Morning-glory
Dichondra
donnelliana Pony's
Foot
CRASSULACEAE (STONE-CROP FAMILY)
Crassula
connata Sand
Pigmy-weed
Dudleya
cymosa ssp. cymosa Rock
Lettuce
CYPERACEAE (SEDGE FAMILY)
Carex densa Dense-flowered
Sedge
Carex
globosa Woodland
Sedge
Carex
praegracilis Slender
Sedge
Carex
serratodens Serpentine-seep
Sedge
DENNSTAEDTIACEAE (BRACKENFERN FAMILY)
Pteridium
aquilinum var. pubescens Western
Brackenfern
DRYOPTERIDACEAE (WOODFERN FAMILY)
Dryopteris
arguta Common
Woodfern
Polystichum
munitum Common
Swordfern
ERICACEAE (HEATHER FAMILY)
Arbutus
menziesii Madrone
Arctostaphylos
(hookeri) montana Mt. Tamalpais manzanita LIST 1B
EUPHORBIACEAE (EUPHORBIA FAMILY)
Euphorbia
spathulata Grassland
Spurge
FABACEAE (PEA FAMILY)
Astragalus
breweri Brewer's
Milk Vetch LIST
4
Astragalus
gambelianus var, gambelianus Gambel's
Small-flowered Locoweed
Astragalus
gambelianus var. elmeri Gambel's
Large-flowered Locoweed
Lathyrus
vestitus Hillside
Pea
Lotus
formosissimus Harlequin
Lotus LIST4
Lotus
humistratus Hairy
Lotus
Lotus
micranthus Small-flowered
Lotus
Lotus
wrangelianus Sub-pinnate
Lotus
Lupinus
albifrons var. collinus Silverleaf
Lupine
Lupinus
bicolor Miniature
Lupine
Lupinua
formosus Summer
Lupine
Lupinus
nanus Sky
Lupine
Thermopsis
californica False
Lupine, Golden Banner
Trifolium
albopurpureum var. albopurpureum Indian
Clover
Trifolium
albopurpureum var. dichotomum White-tip
Indian Clover
Trifolium
barbigerum Bearded
Clover
Trifolium
bifidum var. bifidum Notched-leaf
clover
Trifolium
depauperatum var. truncatum Involucrate
Balloon Clover
Trifolium
dubium Shamrock,
Small Hopclover *
Trifolium
gracilentum Graceful
Clover
Trifolium
hirtum Rose
Clover *
Trifolium
macraei Twin-head
Clover
Trifolium
microcephalum Maiden,
or Small headed, Clover
Trifolium
microdon Toothed-cup
clover
Trifolium
variegatum White-tip
Vari-color Clover
Trifolium
willdenovii Tomcat
Clover
Vicia
americana American
Vetch
Vicia
sativa European
Vetch
FAGACEAE (OAK/BEECH FAMILY)
Lithocarpus
densiflorus var. densiflorus Tanbark
Oak
Quercus
agrifolia var. agrifolia Coast
Live Oak
Quercus
chrysolepis Canyon
Live Oak
GARRYACEAE (SILK TASSEL FAMILY)
Garrya
elliptica Lowland
Silk Tassel Bush
GENTIANACEAE (GENTIAN FAMILY)
Centaurium
sp. (or Zeltnera sp.)
Centaury
Cicendia
quadrangularis Tiny
Yellow Gentian, Timwort
GERANIACEAE (GERANIUM FAMILY)
Erodium
botrys Long-fruit
Broad-leaf Filaree *
Erodium
cicutarium Red-stem
Filaree *
Geranium
dissectum Cut-leaved
Cranesbill *
Geranium
molle Soft-leaved
Clover *
HYDROPHYLLACEAE (WATERLEAF FAMILY)
Nemophila
menziesii var. menziesii Baby-blue-eyes
Phacelia
distans Fern
Leaved white Phacelia
Phacelia
divaricata Annual
blue Phacelia
Phacelia
imbricata (or P. egena) White-flowered
Perennial Phacelia
IRIDACEAE (IRIS FAMILY)
Iris
douglasiana Douglas’
iris (here white, cream or yellow)
Iris
macrosiphon Blue
Ground iris
Sisyrinchium
bellum Blue-eyed
Grass
ISOETACEAE (QUILLWORT FAMILY)
Isoetes
nuttallii Nuttall’s
Quillwort
JUNCACEAE (RUSH FAMILY)
Juncus
arcticus ssp. balticus Wiry
Rush
Juncus
bufonius var. bufonius Toad
Rush
Juncus
covillei var. covillei Long-fruited
Rush
Juncus
effusus Green
Rush
Juncus
tenuis var. occidentalis Western
Rush
Luzula
comosa Woodland
Wood-rush
LAMIACEAE/LABIATAE (MINT FAMILY)
Monardella
purpurea Serpentine
Monardella
Monardella
villosa var. villosa Western
Pennyroyal .
Stachys
rigida var. quercetorum Woodland
Woundwort
LAURACEAE (LAUREL FAMILY)
Umbellularia
californica California
Bay
LILIACEAE (LILY FAMILY) sensu lato
Allium
amplectens Paper
Onion
Allium
falcifolium Sickle-leaf
Onion
Allium
triquetrum Weedy
Onion *
Brodiaea
elegans ssp. elegans Harvest
Brodiaea
Calochortus
luteus Yellow
Mariposa Lily
Dichelostemma
capitatum Blue-dicks,
Wild Hyacinth
Toxicoscordion
fontanum Seep
Zigadene
LIST1B
Toxicoscoridon
fremontii Fremont’s
Death- camas
Triteleia
laxa Ithuriel's
Spear
MALVACEAE (MALLOW FAMILY)
Sidalcea
malviflora ssp. laciniata Checker-bloom
ONAGRACEAE (EVENING PRIMROSE FAMILY)
Camissonia
ovata Sun-cups
Clarkia
gracilis ssp. graciilis Graceful
Godetia
Clarkia
purpurea ssp. quadrivulnera Winecup
Godetia
Epilobium
minutum Annual
Willow-herb
ORCHIDACEAE (ORCHID FAMILY)
Calypso
bulbosa var. occidentalis Lady’s-slipper
Orchid
Corallorhiza
maculata var. maculata Spotted
Coralroot
Goodyera
oblongifolia Rattlesnake
Plantain
Piperia
transversa Transverse-spur
Rein Orchid
PAPAVERACEAE (POPPY FAMILY)
Eschscholzia
californica California
Poppy
Platystemon
californicus Cream-cup
PINACEAE (PINE FAMILY)
Pinus
coulteri Big-cone
Pine *
Pseudotsuga
menziesii var. menziesii Douglas-
Fir
PLANTAGINACEAE (PLANTAIN FAMILY)
Plantago
erecta Dwarf
Plantain
POACEAE/GRAMINEAE (GRASS FAMILY)
Briza minor Little
Rattlesnake Grass *
Bromus
hordeaceus Soft Brome *
Calamagrostis
ophitidis Serpentine
Reedgrass LiST 4
Danthonia
californica var. californica Ca.
Oatgrass
Deschampsia
danthonioides Annual
Hairgrass
Festuca
californica California
Fescue
Festuca
idahoensis Idaho
Fescue
Festuca
rubra Red
Fescue
Hordeum
brachyantherum Native
Barley grass
Hiordeum
marinum Short
Barley *
Hordeum
murinum Farmer’s
Foxtail
Koeleria
macrantha June
Grass
Lolium
multiflorum Italian
Ryegrass *
Melica
californica Grassland
Melicgrass
Melica
torreyana Slender
Melicgrass
Nassella
lepida Slender
Needlegrass
Nassella
pulchra Purple
Needlegrass
Poa annua Annual
Bluegrass *
Poa bulbosa
var. vivipara Proliferous
Bulbous Bluegrass *
Poa
pratensis or P. trivialis Perennial
Bluegrass *
Poa secunda
ssp. secunda Early
Bluegrass, Malpais Bluegrass
Poa
unilateralis Coastal
Bluegrass
Scribneria
bolanderi Bolander’
s Grass
Vulpia
bromoides Bromelike
Annual Fescue *
Vulpia
microstachys var. ciliata Annual
Fescue
POLEMONIACEAE
(GILIA/PHLOX FAMILY)
Collomia
heterophylla Little
Pink Collomia
Gilia
clivorum Small-flowered
Gilia
Leptosiphon
parviflorus Variable
Linanthus, Babystars
Microsteris
gracilis Slender
Phlox
Navarretia
intertexta ssp. intertexta Spiny
Navarretia
POLYGALACEAE (MILKWORT FAMILY)
Polygala
californica Milkwort
POLYGONACEAE (BUCKWHEAT FAMILY)
Chorizanthe
membranacea Grey-pink-flowered
Spineflower
Chorizanthe
polygonoides var. polygonoides Knotweed
Spineflower
Eriogonum
luteolum var. luteolum Annual
Buckwheat
Eriogonum
nudum var. nudum Nude
Buckwheat
Pterostegia
drymarioides Granny's
Hairnet
Rumex
acetosella Sheep
Sorrel *
POLYPODIACEAE (FERN FAMILY)
Polypodium
californicum Rock
Polypody
Polypodium
calirhiza Common
Polypody
PORTULACACEAE (PURSLANE FAMILY)
Calandrinia
ciliata Red
Maids
Claytonia
exigua ssp. exigua Small
Glaucous Claytonia
Claytonia
perfoliata Miners
Lettuce
Claytonia
parviflora ssp. parviflora Small-flowered
Claytonia
Montia
fontana Water
Montia, Blinks
PRIMULACEAE (PRIMROSE FAMILY)
Anagallis
arvensis Scarlet
Pimpernel *
Dodecatheon
hendersonii Shooting
Star
PTERIDACEAE (BRAKEFERN FAMILY)
Aspidotis
carlotta-halliae Carlotta
Hall’s Lace Fern LIST4
Aspidotis
densa Serpentine
Fern, Indian Dream
Cheilanthes
intertexta Coastal
Lip-fern, Bead fern
Pellaea
andromedifolia Coffee
Fern
Pellaea
mucronata ssp. californica Bird’s-foot
fern, Ca. Cliffbrake
Pentagramma
triangularis Goldback
Fern
RANUNCULACEAE (BUTTERCUP/CROWFOOT FAMILY)
Clematis
lasiantha Chaparral
Virgin's Bower, Pipestems
Ranunculus
californicus California
Buttercup
ROSACEAE (ROSE FAMILY)
Adenostoma
fasciculatum Chamise
Amelanchier
utahensis Service-
berry
Aphanes
arvensis Parsley Piert
Fragaria
vesca Woodland
Strawberry
Holodiscus
discolor Ocean-spray
Rosa
spithamea Chaparral
Rose
RUBIACEAE (MADDER FAMILY)
Galium
aparine Goosegrass
Bedstraw *
Galium
californicum Hairy
Goosegrass
Galium
porrigens Climbing
Goosegrass
Sherardia
arvensis Field
Madder *
SAXIFRAGACEAE (SAXIFRAGE FAMILY)
Saxifraga
californica Saxifrage
SCROPHULARIACEAE (FIGWORT FAMILY)
Castilleja
densiflora var. densiflora Common
Owl's Clover
Collinsia
sparsiflora var. collina Small-flowered
Collinsia
Keckiella
corymbosa Red
Woody Pentstemon
Linaria
canadensis var. texana Blue
Toad Flax
Mimulus
congdonii Little
Monkeyflower
Mimulus
douglasii Chinless
monkey-flower
Mimulus guttatus Yellow
Monkeyflower
Triphysaria
pusilla Insignificant
Owl's Clover
SELAGINELLACEAE (MOSS FERN FAMILY)
Selaginella
wallacei Wallace’s
Moss Fern
VALERIANACEAE (VALERIAN FAMILY)
Plectritis
brachystemon Pink
Corn-salad
VIOLACEAE (VIOLET FAMILY)
Viola
purpurea ssp. quercetorum Mountain
Violet
Notes
* Non-native
plants or natives planted out of natural native location.
List 1B Listed,
2001, in the C.N.P.S. Inventory of Rare & Endangered Plants, highest
priority.
List 3 Listed
as plants about which more information is needed.
List 4 Listed
as plants of limited distribution.
Obviously there
are omissions and errors-comments and corrections welcomed (really!).
Contact D.L.
Smith, ph. 415-479-7888 or dlsmith @lvha.net