BIG ROCK TRAIL –
(northern
section: south from
Marin County Marin CNPS (Follette et al.) El. 650-1400 ft.
BOTANICAL
NAME COMMON NAME NOTES
ANACARDIACEAE
(SUMAC OR CASHEW FAMILY)
Toxicodendron (Rhus) diversilobum Poison
Oak
APIACEAE/UMBELLIFERAE
(CARROT FAMILY)
Conium maculatum Poison
Hemlock *
Sanicula bipinnatifida Purple
Sanicle
Sanicula crassicaulis Pacific
Sanicle
Scandix pecten-veneris Shepherd's
Needle *
ASTERACEAE/COMPOSITAE
(SUNFLOWER/COMPOSITE FAMILY)
Achyrachaena mollis Blow-wives
Agoseris heterophylla Annual
Dandelion
Agoseris sp.
Artemisia californica California
Sagebrush
Aster radulinus Broad-leaf
Aster
Baccharis pilularis (incl var. consanguinea)
Coyote
Brush
Gnaphalium luteo-album Annual
Cudweed *
Gnaphalium purpureum Cudweed
Hedypnois cretica *
Heterotheca
sessiliflora ssp. bolanderi (Chrysopsis villosa var. b.) Golden Aster
Lasthenia sp.
Layia chrysanthemoides Tidy
Tips
Layia gaillardioides
Micropus californicus var. californicus
(M.c.) Cotton
Top
?Uropappus lindleyi (Microseris linearifolia & M.
lindleyi) Silver
Puffs
BLECHNACEAE
(DEER FERN FAMILY)
Woodwardia fimbriata Western
Chain Fern
BORAGINACEAE
(BORAGE FAMILY)
Amsinckia menziesii var. intermedia
(A.i.) Fiddleneck
BRASSICACEAE/CRUCIFERAE
(MUSTARD FAMILY)
Cardamine californica (Dentaria
integrifolia) Milk
Maids
Cardamine oligosperma Bitter-cress
Lepidium latipes var. latipes
(L.l.) Dwarf
Pepper Grass
Lepidium nitidum var. nitidum
(L.n.) Peppergrass
Raphanus sativus Radish *
Streptanthus glandulosus ssp. secundus
(S.s.) Jewelflower
CAPRIFOLIACEAE
(HONEYSUCKLE FAMILY)
Sambucus mexicana (S. coerulea) Blue
Elderberry
Symphoricarpos mollis Snowberry
CARYOPHYLLACEAE
(PINK FAMILY)
Cerastium glomeratum (C. viscosum) Mouse-ear
Chickweed *
Minuartia (Arenaria) douglasii Sandwort
CORNACEAE
(DOGWOOD FAMILY)
Cornus sericea ssp. sericea (C.
californica) Creek
Dogwood
CRASSULACEAE
(STONECROP FAMILY)
Crassula connata (Tillaea erecta) Pigmy-weed
Dudleya cymosa ssp.
cymosa (Echeveria c.) Rock
Lettuce
CUCURBITACEAE
(GOURD FAMILY)
Marah fabaceus Man-root
CYPERACEAE
(SEDGE FAMILY)
?Carex densa (incl C. breviligulata &
vicaria) Sedge
DRYOPTERIDACEAE
(WOOD FERN FAMILY)
Polystichum munitum Western
Sword Fern
ERICACEAE
(HEATH FAMILY)
Arbutus menziesii Madrone
FABACEAE/LEGUMINOSAE
(LEGUME FAMILY)
Lupinus albifrons var.
?
Lupinus bicolor (incl L. micranthus
& polycarpus) Dove
Lupine
Lupinus nanus (incl var.
maritimus) Sky
Lupine
Trifolium depauperatum var. truncatum Involucrate
Balloon Clover
Trifolium fucatum (incl T.
flavulum) Sour
Clover
Trifolium microcephalum Maiden
Clover
Trifolium willdenovii (T.
tridentatum) Tomcat
Clover
FAGACEAE (OAK
FAMILY)
Quercus agrifolia var. agrifolia
(Q.a.) Coast
Live Oak
GENTIANACEAE
(GENTIAN FAMILY)
Cicendia quadrangularis
HYDROPHYLLACEAE
(WATERLEAF FAMILY)
Phacelia distans Fern
Phacelia
Phacelia imbricata
ssp. imbricata (P.i.)
IRIDACEAE
(IRIS FAMILY)
Iris douglasiana (incl var. major) Douglas
Iris
Iris macrosiphon Ground
Iris
JUNCACEAE
(RUSH FAMILY)
Juncus occidentalis Slender
Rush
LAMIACEAE/LABIATAE
(MINT FAMILY)
Mentha pulegium European
Pennyroyal *
Stachys ajugoides var. rigida (S. r.
var. quercetorum) Hedge
Nettle
LAURACEAE
(LAUREL FAMILY)
Umbellularia californica California
Bay
LILIACEAE
(LILY FAMILY)
Calochortus umbellatus Oakland
Star-tulip LIST
4
Dichelostemma (Brodiaea) congestum Ookow
LYTHRACEAE
(LOOSESTRIFE FAMILY)
Lythrum hyssopifolium Loosestrife *
ONAGRACEAE
(EVENING PRIMROSE FAMILY)
Epilobium minutum Willow-herb
POACEAE/GRAMINEAE
(GRASS FAMILY)
Briza maxima Rattlesnake
Grass *
Briza minor Little
Rattlesnake Grass *
Glyceria sp. Mannagrass
Poa annua Annual
Bluegrass *
Poa secunda ssp. secunda (P.
scabrella) One-sided
Bluegrass
Vulpia microstachys var. pauciflora
(Festuca pacifica & Fescue
F. reflexa)
POLEMONIACEAE
(PHLOX FAMILY)
Gilia clivorum
POLYGONACEAE
(BUCKWHEAT FAMILY)
Rumex acetosella Sheep
Sorrel *
Rumex pulcher Fiddle
Dock *
PORTULACACEAE
(PURSLANE FAMILY)
Claytonia perfoliata ssp. perfoliata
(Montia p. & all formas) Miner's
Lettuce
RANUNCULACEAE
(BUTTERCUP FAMILY)
Aquilegia formosa
(incl var. truncata) Columbine
Delphinium patens ssp. patens (D.p.) Spreading
Larkspur
RHAMNACEAE
(BUCKTHORN FAMILY)
Rhamnus californica ssp. californica
(R.c.) Coffee
Berry
ROSACEAE (ROSE
FAMILY)
Fragaria vesca (F. californica) Wild
Strawberry
Malus sp. Apple *
Potentilla glandulosa ssp. glandulosa
(P.g) Sticky
Cinquefoil
Rubus parviflorus (incl var.
velutinus) Thimbleberry
Rubus ursinus California
Blackberry
SAXIFRAGACEAE
(SAXIFRAGE FAMILY)
Lithophragma affine Woodland
Star
SCROPHULARIACEAE
(FIGWORT FAMILY)
Castilleja subinclusa
ssp. franciscana (C. f.) Indian
Paintbrush
Collinsia sparsiflora var. collina
(C.s. var. solitaria) Blue-eyed
Mary
Scrophularia californica ssp. californica (S. c.) Bee-plant
PLANT NAMES
Plant names are as given in the 1993 JEPSON MANUAL, followed in parentheses by the name given in
J.T. Howell’s MARIN FLORA AND SUPPLEMENTS if different from the JEPSON MANUAL name.
NOTES
* = non-native (introduced)
T.L. = type locality is in Marin County
N.L. = northern limit is in Marin County
S.L. = southern limit is in Marin County
LIST 1 = listed in the 1994 CNPS INVENTORY OF RARE AND ENDANGERED VASCULAR PLANTS
OF CALIFORNIA as “rare and endangered (plants of highest priority)”
LIST 3 = listed in the above INVENTORY as “plants about which we need more information”
LIST 4 = listed in the above INVENTORY as “plants of limited distribution (a watch list)”