GARY GIACOMINI (SAN GERONIMO
RIDGE)
COUNTY OPEN SPACE
BOTANICAL NAME COMMON NAME NOTES
ACERACEAE (MAPLE FAMILY)
Acer macrophyllum
Big-leaf Maple
ANACARDIACEAE (SUMAC OR CASHEW FAMILY)
Toxicodendron (Rhus) diversilobum Poison Oak
APIACEAE/UMBELLIFERAE
(CARROT FAMILY)
Angelica hendersonii
Angelica tomentosa
Woodland Angelica
Daucus pusillus
Rattlesnake Weed
Heracleum lanatum (H. maximum) Cow Parsnip
Lomatium californicum Hog Fennel
Lomatium dasycarpum ssp. dasycarpum (L.d.) Hog Fennel
Lomatium utriculatum
Yellow Hog Fennel
Osmorhiza chilensis
Sweet Cicely
Perideridia kelloggii Kellogg's Yampah
Sanicula bipinnatifida Purple Sanicle
Sanicula crassicaulis Pacific Sanicle
Sanicula laciniata
Coast Sanicle
Sanicula tuberosa
Turkey Pea
Scandix pecten-veneris Shepherd's Needle *
Tauschia kelloggii
Yellow Parsley
Torilis sp. Hedge Parsley
ARALIACEAE (GINSENG FAMILY)
Aralia californica
Elk Clover
Hedera helix English Ivy *
ASTERACEAE/COMPOSITAE
(SUNFLOWER/COMPOSITE FAMILY)
Achillea millefolium (A. borealis) Yarrow
Adenocaulon bicolor
Trail Plant
Agoseris grandiflora (A. plebia) Mountain Dandelion
Agoseris heterophylla Annual Dandelion
Agoseris sp.
Arnica discoidea
Artemisia douglasiana Mugwort
Aster radulinus
Broad-leaf Aster
Baccharis pilularis (incl var. consanguinea) Coyote Brush
Calycadenia multiglandulosa (incl var. cephalotes) Rosin Weed
Carduus pycnocephalus Italian Thistle *
Centaurea melitensis
Napa Thistle, Tocalote *
Centaurea solstitialis Yellow Star-Thistle *
Chamomilla suaveolens (Matricaria matricarioides) Pineapple Weed *?
Cirsium brevistylum
Indian Thistle
Cirsium hydrophilum var. vaseyi Mt. Tamalpais Thistle LIST 1
Cirsium sp. Thistle
Cirsium vulgare
Bull Thistle *
Erechtites minima (E. prenanthoides) Australian Fireweed *
Ericameria (Haplopappus) arborescens Golden-Fleece
Erigeron reductus var.
angustatus (E. inornatus var. a.) Pine Erigeron
Eriophyllum confertiflorum var. confertiflorum
(E.c.) Golden-Yarrow
Eriophyllum lanatum var. arachnoideum Woolly Sunflower
Filago gallica
French Cudweed *
Gnaphalium californicum Cudweed
Gnaphalium purpureum
Cudweed
Gnaphalium sp. Cudweed
Grindelia hirsutula var. hirsutula (incl G.
rubricaulis &
G. humilis in part) Gumweed
Hemizonia congesta ssp. congesta (incl H. lutescens
&
H. multicaulis ssp m. & ssp.
vernalis) Hayfield Tarweed
Hesperevax sparsiflora var.
sparsiflora (Evax s.)
Heterotheca sessiliflora ssp. bolanderi (Chrysopsis
villosa
var. b.) Golden Aster
Hieracium albiflorum
Hawkweed
Hypochaeris (Hypochoeris) glabra Smooth Cat's-ear *
Hypochaeris (Hypochoeris) radicata Hairy Cat's-ear *
Lapsana communis
Nipplewort *
Lasthenia californica (L. chrysostoma & L.
hirsutula) Gold Fields
Layia gaillardioides
Lessingia micradenia var.
micradenia (L. ramulosa var. m.) Tamalpais Lessingia LIST 1
Madia elegans ssp. densifolia (
Madia exigua Threadstem Madia
Madia gracilis
Slender Tarweed
Madia madioides
Woodland Madia
Madia sp. Tarweed
Micropus californicus var. californicus (M.c.) Cotton Top
Microseris douglasii ssp. douglasii (M.d.)
Psilocarphus tenellus var. tenellus (P.t.) Woolly Marbles
Rigiopappus leptocladus
Senecio aronicoides
Butterweed
Senecio vulgaris
Common Groundsel *
Silybum marianum
Milk Thistle *
Soliva sessilis (incl S. daucifolia & S.
pterosperma) *
Sonchus asper
Sow Thistle *
Sonchus oleraceus
Sow Thistle *
?Stebbinsoseris decipiens = Microseris
bigelovii x
Uroppapus lindleyi (M. decipiens) LIST 1
Taraxacum officinale (incl T. laevigatum) Dandelion *
Uropappus lindleyi (Microseris linearifolia & M.
lindleyi) Silver Puffs
Wyethia angustifolia
Narrow-leaf Mule Ears
Wyethia glabra
Mule Ears
BERBERIDACEAE (BARBERRY
FAMILY)
Vancouveria planipetala Inside-out Flower
BETULACEAE (BIRCH FAMILY)
Alnus rhombifolia
White Alder
Corylus cornuta var. californica (C. californica) California Hazel
BLECHNACEAE (DEER FERN
FAMILY)
Woodwardia fimbriata
Western Chain Fern
BORAGINACEAE (BORAGE FAMILY)
Amsinckia menziesii var. intermedia (A.i.) Fiddleneck
Cynoglossum grande
Hound's Tongue
Myosotis latifolia (M. sylvatica) Forget-me-not *
Plagiobothrys nothofulvus Popcorn Flower
BRASSICACEAE/CRUCIFERAE
(MUSTARD FAMILY)
Cardamine californica (Dentaria integrifolia) Milk Maids
Cardamine oligosperma Bitter-cress
Lepidium nitidum var. nitidum (L.n.) Peppergrass
Lunaria annua Moonwort *
Streptanthus batrachopus Tamalpais Jewelflower LIST 1
Streptanthus glandulosus ssp. ? Jewelflower
Thysanocarpus curvipes (incl var. elegans) Fringe Pod
CAMPANULACEAE (BELLFLOWER
FAMILY)
Campanula griffinii
Tiny Bellflower
CAPRIFOLIACEAE (HONEYSUCKLE
FAMILY)
Lonicera hispidula var. vacillans California Honeysuckle
Sambucus mexicana (S. coerulea) Blue Elderberry
Symphoricarpos albus var. laevigatus (S. rivularis) Snowberry
Symphoricarpos mollis Snowberry
CARYOPHYLLACEAE (PINK
FAMILY)
Cerastium glomeratum (C. viscosum) Mouse-ear Chickweed *
Minuartia (Arenaria) douglasii Sandwort
Minuartia (Arenaria) pusilla
Polycarpon tetraphyllum Four-leaved Allseed *
Silene californica
Indian Pink
Silene gallica
Windmill Pink *
Spergularia rubra
Sand Spurrey *
Stellaria media
Chickweed *
Stellaria nitens
Shining Chickweed
CONVOLVULACEAE
(MORNING-GLORY FAMILY)
Calystegia collina ssp. collina (Convolvulus
malacophyllus) Morning-glory
Calystegia purpurata ssp. purpurata (Convolvulus
occidentalis
var. p. & var. solanensis) Morning-glory
Calystegia subacaulis ssp.
subacaulis (Convolvulus s.) Morning-glory
Convolvulus arvensis
Bindweed *
CUCURBITACEAE (GOURD FAMILY)
Marah fabaceus
Man-root
Marah oreganus
Coast Man-root
CUPRESSACEAE (CYPRESS
FAMILY)
Cupressus sargentii Sargent Cypress T.L.
CYPERACEAE (SEDGE FAMILY)
Carex densa (incl C. breviligulata & vicaria) Sedge
Carex globosa
Sedge
Carex serratodens
Sedge
Carex sp. Sedge
Carex utriculata (C. rostrata) Bottle Sedge
Cyperus eragrostis
Umbrella Sedge
Cyperus sp.
Scirpus microcarpus
Bulrush
DENNSTAEDTIACEAE (BRACKEN
FAMILY)
Pteridium aquilinum var. pubescens Bracken
DIPSACACEAE (TEASEL FAMILY)
Dipsacus sativus
Fuller's Teasel *
DRYOPTERIDACEAE (WOOD FERN
FAMILY)
Athyrium filix-femina var. cyclosorum (A.f. var.
sitchense) Coastal Lady Fern
Dryopteris arguta
Coastal Wood Fern
Polystichum munitum
Western Sword Fern
EQUISETACEAE (HORSETAIL
FAMILY)
Equisetum telmateia ssp. braunii Giant Horsetail
ERICACEAE (HEATH FAMILY)
Arbutus menziesii
Madrone
Arctostaphylos glandulosa ssp. glandulosa (A.g. incl
A. cushingiana) Eastwood
Manzanita T.L.
Arctostaphylos hookeri ssp.
Arctostaphylos virgata Bolinas Manzanita LIST 1
Gaultheria shallon
Salal
Rhododendron occidentale Western Azalea
Vaccinium ovatum
Huckleberry
FABACEAE/LEGUMINOSAE (LEGUME
FAMILY)
Astragalus gambelianus (A. gambellianus) (incl var.
elmeri) Loco Weed
Cytisus scoparius
Scotch Broom *
Genista (Cytisus) monspessulana French Broom *
Lathyrus vestitus var. vestitus (incl ssp. puberulus
&
ssp.
bolanderi, in part) Hillside Pea
Lotus humistratus
Colchita
Lotus micranthus
Hill Lotus
Lotus purshianus var. purshianus (L.p.) Spanish Clover
Lotus scoparius var. scoparius (L.s.) Deerweed
Lotus wrangelianus (L. subpinnatus) Calf Lotus
Lupinus bicolor (incl L. micranthus &
polycarpus) Dove Lupine
Lupinus latifolius var. latifolius (L.l.) Lupine
Medicago polymorpha (incl var. brevispina & M.
hispida incl
vars. confinis
& apiculata) Bur Clover *
Pickeringia montana var. montana (P.m.) Chaparral Pea
Thermopsis macrophylla var. macrophylla (T.m.) False Lupine
Trifolium albopurpureum var. albopurpureum (T.a.) Indian Clover
Trif