HORSE HILL COUNTY OPEN SPACE PRESERVE

March 23, 1999

Marin County         Marin CNPS (Follette et al.)         El. 60 - 380 ft.

  BOTANICAL NAME                                                                   COMMON NAME                    NOTES

  ANACARDIACEAE (SUMAC OR CASHEW FAMILY)

  Toxicodendron (Rhus) diversilobum                                                  Poison Oak

  APIACEAE/UMBELLIFERAE (CARROT FAMILY)

  Foeniculum vulgare                                                                           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

  AQUIFOLIACEAE (HOLLY FAMILY)

  Ilex aquifolium                                                                                  English Holly                                  *

  ARALIACEAE (GINSENG FAMILY)

  Hedera helix                                                                                     English Ivy                                     *

  ASTERACEAE/COMPOSITAE (SUNFLOWER/COMPOSITE FAMILY)

  Achillea millefolium (A. borealis)                                                       Yarrow

  Agoseris sp. 

  Artemisia californica                                                                         California Sagebrush

  Baccharis pilularis (incl var. consanguinea)                                        Coyote Brush

  Carduus pycnocephalus                                                                    Italian Thistle                                 *

  Chamomilla suaveolens (Matricaria matricarioides)                            Pineapple Weed                            *?

  Cirsium vulgare                                                                                Bull Thistle                                     *

  Hemizonia congesta ssp. congesta

          (incl H. lutescens & H. multicaulis ssp m. & ssp. vernalis)          Hayfield Tarweed

  Hypochaeris (Hypochoeris) glabra                                                    Smooth Cat's-ear                          *

  Hypochaeris (Hypochoeris) radicata                                                 Hairy Cat's-ear                              *

  Madia elegans ssp. densifolia (M.e.)                                                 Common Madia

  Madia sativa (incl M. capitata)                                                          Coast Tarweed                              *

  Micropus californicus var. californicus (M.c.)                                    Cotton Top

  Picris echioides                                                                                Bristly Ox-tongue                          *

  Silybum marianum                                                                            Milk Thistle                                   *

  Soliva sessilis (incl S. daucifolia & S. pterosperma)                                                                                *

  Sonchus asper                                                                         Sow Thistle                                            *

  Wyethia angustifolia                                                                          Narrow-leaf Mule Ears

  BORAGINACEAE (BORAGE FAMILY)

  Myosotis latifolia (M. sylvatica)                                                        Forget-me-not                               *

  BRASSICACEAE/CRUCIFERAE (MUSTARD FAMILY)

  Capsella bursa-pastoris                                                                    Shepherd's Purse                           *

  Cardamine californica (Dentaria integrifolia)                                      Milk Maids

  Cardamine oligosperma                                                                    Bitter-cress

  Hirschfeldia incana (Brassica geniculata)                                           Summer Mustard                           *

  Lepidium nitidum var. nitidum (L.n.)                                                  Peppergrass

  Raphanus sativus                                                                              Radish                                           *

  Rorippa nasturtium-aquaticum                                                          Water Cress                                  *

  CAPRIFOLIACEAE (HONEYSUCKLE FAMILY)

  Lonicera hispidula var. vacillans                                                        California Honeysuckle

  Symphoricarpos mollis                                                                     Snowberry

  CARYOPHYLLACEAE (PINK FAMILY)

  Cerastium arvense                                                                            Field Chickweed

  Cerastium glomeratum (C. viscosum)                                                Mouse-ear Chickweed                  *

  Silene gallica                                                                                    Windmill Pink                                *

  Spergularia rubra                                                                              Sand Spurrey                                *

  Stellaria media                                                                                  Chickweed                                    *

  CONVOLVULACEAE (MORNING-GLORY FAMILY)

  Calystegia purpurata ssp. ?                                                               Morning-glory

  Convolvulus arvensis                                                                        Bindweed                                      *

  Dichondra donnelliana                                                                                                                           *

  CRASSULACEAE (STONECROP FAMILY)

  Crassula connata (Tillaea erecta)                                                      Pigmy-weed

  CUCURBITACEAE (GOURD FAMILY)

  Marah fabaceus                                                                               Man-root

  CYPERACEAE (SEDGE FAMILY)

  Carex sp.                                                                                         Sedge

  Cyperus eragrostis                                                                           Umbrella Sedge

  DENNSTAEDTIACEAE (BRACKEN FAMILY)

  Pteridium aquilinum var. pubescens                                                   Bracken

  DIPSACACEAE (TEASEL FAMILY)

  Dipsacus sativus                                                                               Fuller's Teasel                                *

  ERICACEAE (HEATH FAMILY)

  Arbutus menziesii                                                                             Madrone

  FABACEAE/LEGUMINOSAE (LEGUME FAMILY)

  Acacia decurrens                                                                             Green Wattle                                 *

  Cytisus scoparius                                                                             Scotch Broom                               *

  Genista (Cytisus) monspessulana                                                      French Broom                               *

  Lotus corniculatus (L. tenuis)                                                            Bird's Foot Trefoil                         *

  Lotus sp. 

  Lupinus bicolor (incl L. micranthus & polycarpus)                             Dove Lupine

  Lupinus formosus var. formosus (L.f.)                                               Lupine

  Lupinus nanus (incl var. maritimus)                                                    Sky Lupine

  Medicago arabica                                                                            Spotted Medick                            *

  Medicago polymorpha (incl var. brevispina &

          M. hispida incl vars. confinis & apiculata)                                  Bur Clover                                    *

  Thermopsis macrophylla var. macrophylla (T.m.)                              False Lupine

  Trifolium dubium                                                                              Shamrock                                      *

  Trifolium glomeratum                                                                        Knobby Clover                             *

  Trifolium sp.                                                                                     Clover

  Trifolium subterraneum                                                                     Subterranean Clover                      *

  Vicia americana var. americana (incl vars. linearus &

          oregona & V. californica)                                                         American Vetch

  Vicia sativa ssp. nigra (V. angustifolia)                                              Hairy Vetch                                   *

  FAGACEAE (OAK FAMILY)

  Quercus agrifolia var. agrifolia (Q.a.)                                                Coast Live Oak

  GERANIACEAE (GERANIUM FAMILY)

  Erodium botrys                                                                                Broad-leaf Filaree                          *

  Erodium cicutarium                                                                           Red-stem Filaree                           *

  Erodium moschatum                                                                         White-stem Filaree                        *

  Geranium dissectum                                                                         Cut-leaved Cranesbill                    *

  Geranium molle                                                                                Soft Cranesbill                               *

  HIPPOCASTANACEAE (BUCKEYE FAMILY)

  Aesculus californica                                                                          California Buckeye

  IRIDACEAE (IRIS FAMILY)

  Iris macrosiphon                                                                               Ground Iris

  Sisyrinchium bellum                                                                          Blue-eyed Grass

  JUNCACEAE (RUSH FAMILY)

  Juncus bufonius var. bufonius (J.b.)                                                   Toad Rush

  Juncus effusus var.                                                                            Rush

  Juncus occidentalis                                                                           Slender Rush

  Juncus phaeocephalus var. paniculatus                                              Rush

  Juncus xiphioides                                                                              Iris-leaved Rush

  Luzula comosa (L. multiflora)                                                            Wood-rush

  LAMIACEAE/LABIATAE (MINT FAMILY)

  Lamium amplexicaule                                                                       Henbit                                           *

  Mentha pulegium                                                                              European Pennyroyal                     *

  Stachys ajugoides var. rigida (S. r. var. quercetorum)                        Hedge Nettle

  LAURACEAE (LAUREL FAMILY)

  Umbellularia californica                                                                     California Bay

  LILIACEAE (LILY FAMILY)

  Allium triquetrum                                                                              Onion                                            *

?Brodiaea elegans ssp. elegans (B.e.)                                                 Harvest Brodiaea

  Chlorogalum pomeridianum var. pomeridianum (C.p.)                       Soap Plant

  Dichelostemma capitatum ssp. capitatum (Brodiaea pulchella)           Blue Dicks

  LINACEAE (FLAX FAMILY)

  Linum bienne                                                                                    Flax                                               *

  LYTHRACEAE (LOOSESTRIFE FAMILY)

  Lythrum hyssopifolium                                                                      Loosestrife                                    *

  MALVACEAE (MALLOW FAMILY)

  Malva nicaeensis                                                                              Bull Mallow                                   *

  Sidalcea malviflora ssp. malviflora (S.m.)                                          Checkerbloom

  MYRTACEAE (MYRTLE FAMILY)

  Eucalyptus globulus                                                                          Blue Gum                                      *

  ONAGRACEAE (EVENING PRIMROSE FAMILY)

  Camissonia (Oenothera) ovata                                                          Sun-cups

  Epilobium brachycarpum (E. paniculatum)                                         Willow-herb

  OXALIDACEAE (OXALIS FAMILY)

  Oxalis pes-caprae                                                                            Bermuda Buttercup                        *

  PAPAVERACEAE (POPPY FAMILY)

  Eschscholzia californica                                                                    California Poppy

  PINACEAE (PINE FAMILY)

  Pinus radiata                                                                                    Monterey Pine                               *

  PLANTAGINACEAE (PLANTAIN FAMILY)

  Plantago lanceolata                                                                           Ribwort                                         *

  POACEAE/GRAMINEAE (GRASS FAMILY)

  Avena barbata                                                                                 Slim Oat                                        *

  Briza minor                                                                                      Little Rattlesnake Grass                 *

  Cynosurus echinatus                                                                         Dogtail                                          *

  Elymus sp.                                                                                       Wild-rye

  Hordeum sp. 

  Lolium multiflorum                                                                            Ryegrass                                       *

  Nassella (Stipa) pulchra                                                                    Purple Needlegrass

  Poa annua                                                                                        Annual Bluegrass                           *

  Vulpia myuros var. myuros (Festuca m.)                                           Fescue                                          *

  POLYGONACEAE (BUCKWHEAT FAMILY)

  Eriogonum nudum var. nudum (E.n.)                                                 Nude Buckwheat

  Polygonum arenastrum (incl P. aviculare & vars.)                              Dooryard Knotweed                     *

  Rumex acetosella                                                                             Sheep Sorrel                                 *

  Rumex crispus                                                                                  Curly Dock                                   *

  Rumex sp.                                                                                        Dock

  POLYPODIACEAE (POLYPODY FAMILY)

  Polypodium californicum (incl var. kaulfusii &                                    California Polypody

          fmas. parsonsiae & branscombii)

  PORTULACACEAE (PURSLANE FAMILY)

  Claytonia perfoliata ssp. perfoliata (Montia p. & all formas)               Miner's Lettuce

  Montia fontana (incl M. hallii & M. verna)                                         Water Chickweed

  PRIMULACEAE (PRIMROSE FAMILY)

  Anagallis arvensis                                                                             Scarlet Pimpernel                           *

  Dodecatheon hendersonii (incl ssp. cruciatum)                                  Shooting Star

  PTERIDACEAE (BRAKE FAMILY)

  Pentagramma (Pityrogramma) triangularis ssp. triangularis                  Goldback Fern

  RANUNCULACEAE (BUTTERCUP FAMILY)

  Ranunculus californicus (incl var. cuneatus)                                        California Buttercup

  Ranunculus muricatus                                                                       Prickle-fruit Buttercup                    *

  ROSACEAE (ROSE FAMILY)

  Cotoneaster sp.                                                                                                                                     *

  Fragaria vesca (F. californica)                                                           Wild Strawberry

  Heteromeles (Photinia) arbutifolia                                                     Toyon

  Prunus sp.                                                                                                                                             *

  Pyracantha sp.