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SEARCH for plants | ||||
Criteria: found in Siskiyou County is not native group by lifeform | ||||
532 records | include photos for these plants | # number of sources |
Scientific Name | Common Name | Lifeform | # |
Lifeform: Annual | 256 plants | ||
Lifeform: Biennial | 3 plants | ||
Hesperis matronalis | Dame's rocket | Biennial, Perennial herb | 6 |
Isatis tinctoria ! | Dyers woad | Biennial, Perennial herb | |
Silene latifolia ssp. alba | Bladder campion | Biennial, Perennial herb | |
Lifeform: Perennial | 218 plants | ||
Achnatherum nelsonii ssp. nelsonii | Columbia needlegrass | Perennial grass | |
Acroptilon repens ! | Russian knapweed | Perennial herb | |
Agropyron cristatum | Crested wheatgrass | Perennial grass | 5 |
Agropyron cristatum ssp. pectinatum | Crested wheatgrass | Perennial grass | 3 |
Agropyron desertorum | Desert crested wheatgrass | Perennial grass | 3 |
Agrostis capillaris | Colonial bentgrass | Perennial grass | 2 |
Agrostis gigantea | Creeping bentgras | Perennial grass | 4 |
Agrostis stolonifera ! | Redtop | Perennial grass | 1 |
Agrostis viridis | Bentgrass | Perennial grass | |
Alopecurus pratensis ! | Meadow foxtail | Perennial grass | 6 |
Antennaria alpina | Alpine pussytoes | Perennial herb | 1 |
Arabis lignifera | Desert rockcress | Perennial herb | |
Arabis sparsiflora var. atrorubens | Elegant rockcress | Perennial herb | |
Arctium minus | Common burdock | Perennial herb | |
Arrhenatherum elatius | Tall oatgrass | Perennial grass | 2 |
Arundo donax ! | Giant reed | Perennial grass | 3 |
Asparagus officinalis | Garden asparagus | Perennial herb | 1 |
Asparagus officinalis ssp. officinalis | Asparagus | Perennial herb | 1 |
Barbarea vulgaris | Yellow rocket | Perennial herb | |
Bromus inermis | Smooth brome | Perennial grass | 3 |
Bromus inermis ssp. inermis | Smooth brome | Perennial grass | |
Calamagrostis sesquiflora | One and a half flower reedgrass | Perennial grass |
Cardaria chalepensis | Lens podded hoary cress | Perennial herb | |
Cardaria draba | Heart podded hoary cress | Perennial herb | |
Cardaria pubescens | White top | Perennial herb | |
Carduus acanthoides ! | Spiny plumeless thistle | Perennial herb | |
Carduus nutans ! | Nodding plumeless thistle | Perennial herb | |
Castilleja glandulifera | Gland indian paintbrush | Perennial herb | |
Castilleja pilosa var. longispica | Longspike indian paintbrush | Perennial herb | |
Centaurea biebersteinii | Spotted knapweed | Perennial herb | |
Centaurea diffusa ! | Diffuse knapweed | Perennial herb | |
Centaurea jacea | Brownray knapweed | Perennial herb | |
Centaurea jacea ssp. nigra | Black knapweed | Perennial herb | |
Centaurea maculosa | Spotted knapweed | Perennial herb | |
Centaurea nigra | Lesser knapweed | Perennial herb | |
Centaurea nigrescens | Tyrol knapweed | Perennial herb | |
Centaurea squarrosa | Spreading thistle | Perennial herb | |
Centaurea stoebe | Spotted knapweed | Perennial herb | |
Centaurea stoebe ssp. micranthos ! | Spotted knapweed | Perennial herb | |
Centaurea virgata | Squarrose knapweed | Perennial herb | |
Centaurea virgata ssp. squarrosa ! | Squarrose knapweed | Perennial herb | |
Cerastium alpinum | Alpine chickweed | Perennial herb | 1 |
Cerastium fontanum | Common mouse ear chickweed | Perennial herb | |
Cerastium fontanum ssp. vulgare | Common chickweed | Perennial herb | |
Chondrilla juncea ! | Skeleton weed | Perennial herb | |
Chrysanthemum balsamita | Costmary | Perennial herb | 2 |
Cichorium intybus | Chicory | Perennial herb | 9 |
Cirsium arvense ! | Canada thistle | Perennial herb | |
Cirsium canescens | Prairie thistle | Perennial herb | |
Cirsium edule | Edible thistle | Perennial herb | |
Cirsium ochrocentrum | Beaumont thistle | Perennial herb | |
Cirsium undulatum | Wavy leaved thistle | Perennial herb | |
Cirsium vulgare ! | Bullthistle | Perennial herb | |
Conium maculatum ! | Poison hemlock | Perennial herb | |
Convolvulus arvensis | Field bindweed | Perennial herb, Vine | |
Cynodon dactylon ! | Bermuda grass | Perennial grass | 4 |
Cynoglossum officinale ! | Hound's tongue | Perennial herb | |
Dactylis glomerata ! | Orchardgrass | Perennial grass | 6 |
Daucus carota | Carrot | Perennial herb | 2 |
Descurainia incana ssp. incana | Mountain tansymustard | Perennial herb | |
Dianthus barbatus | Sweetwilliam | Perennial herb | 10 |
Dianthus deltoides | Meadow pink | Perennial herb | 6 |
Dianthus deltoides ssp. deltoides | Meadow pink | Perennial herb | 6 |
Dipsacus fullonum ! | Wild teasel | Perennial herb | |
Echinops sphaerocephalus | Globe thistle | Perennial herb | 4 |
Elymus hispidus | Intermediate wheatgrass | Perennial grass | 6 |
Elymus ponticus | Tall wheat grass | Perennial grass | 4 |
Elymus repens | Quack grass | Perennial grass | |
Elymus subsecundus | Bearded wheatgrass | Perennial grass | |
Elytrigia elongata | Tall wheatgrass | Perennial grass | 2 |
Elytrigia intermedia | Intermediate wheatgrass | Perennial grass | 4 |
Elytrigia intermedia ssp. barbulata | Barbed intermediate wheatgrass | Perennial grass | 1 |
Elytrigia intermedia ssp. intermedia | Intermediate wheatgrass | Perennial grass | 2 |
Elytrigia pontica | Tall wheatgrass | Perennial grass | 1 |
Elytrigia pontica ssp. pontica | Rush wheatgrass | Perennial grass | 1 |
Elytrigia repens | Quack grass | Perennial grass | |
Eragrostis curvula | Weeping lovegrass | Perennial grass | 9 |
Eriogonum effusum | Spreading buckwheat | Perennial herb | |
Eriophorum angustifolium | Tall cottongrass | Perennial grass | |
Eriophyllum lanatum var. lanatum | Common woolly sunflower | Perennial herb | |
Euphorbia esula | Leafy spurge | Perennial herb | |
Euphorbia oblongata ! | Eggleaf spurge | Perennial herb | |
Euphorbia virgata ! | Leafy spurge | Perennial herb | |
Fallopia japonica ! | Japanese knotweed | Perennial herb | 1 |
Festuca arundinacea ! | Reed fescue | Perennial grass | 7 |
Festuca pratensis | Meadow fescue | Perennial grass | 2 |
Festuca trachyphylla | Rough leaved fescue | Perennial grass | 1 |
Foeniculum vulgare ! | Fennel | Perennial herb | 4 |
Gaillardia aristata | Common indian blanket | Perennial herb | 17 |
Galium tinctorium | Stiff marsh bedstraw | Perennial herb | |
Glechoma hederacea | Ground ivy | Perennial herb | 2 |
Glyceria Xoccidentalis | Western manna grass | Perennial grass (aquatic) | 2 |
Grindelia squarrosa | Curlycup gumweed | Perennial herb | |
Grindelia squarrosa var. serrulata | Curlycup gumweed | Perennial herb | |
Gypsophila paniculata ! | Baby's breath | Perennial herb | 3 |
Gypsophila paniculata var. paniculata | Baby's breath | Perennial herb | 3 |
Heracleum sphondylium | Eltrot | Perennial herb | 8 |
Heuchera cylindrica var. glabella | Beautiful alumroot | Perennial herb | |
Hieracium aurantiacum | Orange flowered hawkweed | Perennial herb | |
Hirschfeldia incana ! | Mustard | Perennial herb | |
Holcus lanatus ! | Common velvetgrass | Perennial grass | |
Humulus lupulus | Common hop | Perennial herb | 5 |
Hypericum perforatum ! | Klamathweed | Perennial herb | 2 |
Hypericum perforatum ssp. perforatum | Klamathweed | Perennial herb | |
Hypochaeris radicata ! | Hairy cats ear | Perennial herb | |
Iris pseudacorus ! | Horticultural iris | Perennial herb | 5 |
Juncus dichotomus | Forked rush | Perennial grass | |
Juncus effusus ssp. effusus | Common rush | Perennial grass | 1 |
Lactuca biennis | Biennial wild lettuce | Perennial herb | |
Lactuca canadensis | Canada wild lettuce | Perennial herb | |
Lactuca virosa | Poison wild lettuce | Perennial herb | |
Lathyrus latifolius ! | Sweet pea | Perennial herb | 3 |
Lathyrus pauciflorus | Fewflower pea | Perennial herb | |
Lathyrus venosus | Veiny pea | Perennial herb | 5 |
Lepidium appelianum ! | Hairy whitetop | Perennial herb | |
Lepidium draba ! | Whitetop | Perennial herb | |
Lepidium draba ssp. chalepense | Lenspod whitetop | Perennial herb | |
Lepidium draba ssp. draba | Whitetop | Perennial herb | |
Lepidium latifolium ! | Perennial pepperweed | Perennial herb | |
Leucanthemum vulgare ! | Oxe eye daisy | Perennial herb | 6 |
Linaria dalmatica | Dalmatian toadflax | Perennial herb | |
Linaria dalmatica ssp. dalmatica ! | Dalmatian toadflax | Perennial herb | |
Linaria genistifolia | Broomleaf toadflax | Perennial herb | |
Linaria genistifolia ssp. dalmatica | Dalmatian toad flax | Perennial herb | |
Linaria vulgaris ! | Butter and eggs | Perennial herb | |
Linum perenne | Blue flax | Perennial herb | 39 |
Lolium perenne | Perennial rye grass | Perennial grass | 5 |
Lotus corniculatus | Bird's foot trefoil | Perennial herb | 8 |
Lotus pedunculatus | Big trefoil | Perennial herb | |
Lotus uliginosus | Marsh lotus | Perennial herb | |
Luzula glabrata | Smooth woodrush | Perennial grass | |
Lythrum salicaria ! | Purple loosestrife | Perennial herb | 1 |
Marrubium vulgare ! | White horehound | Perennial herb | 4 |
Medicago sativa | Alfalfa | Perennial herb | 3 |
Mentha aquatica | Water mint | Perennial herb | 3 |
Mentha spicata | Spearmint | Perennial herb | 7 |
Minuartia nuttallii ssp. nuttallii | Nuttall's sandwort | Perennial herb | |
Minuartia rossii | Ross' sandwort | Perennial herb | |
Myriophyllum spicatum ! | Water milfoil | Perennial herb | |
Nepeta cataria | Catnip | Perennial herb | 7 |
Oenothera biennis | Small flowered evening primrose | Perennial herb | 3 |
Onopordum acanthium ! | Scotch cottonthistle | Perennial herb | |
Onopordum acanthium ssp. acanthium | Scottish thistle | Perennial herb | |
Onopordum tauricum | Taurian thistle | Perennial herb | |
Pastinaca sativa | Wild parsnip | Perennial herb | |
Penstemon confertus | Yellow penstemon | Perennial herb | |
Petroselinum crispum | Parsley | Perennial herb | 5 |
Phalaris aquatica ! | Harding grass | Perennial grass | 1 |
Phleum pratense | Common timothy | Perennial grass | 4 |
Physalis longifolia | Long leafed tomatillo | Perennial herb | |
Plantago lanceolata ! | Ribwort | Perennial herb | |
Plantago major | Common plantain | Perennial herb | 2 |
Platanthera dilatata var. dilatata | Scentbottle | Perennial herb | |
Poa bulbosa | Bulbous blue grass | Perennial grass | |
Poa bulbosa ssp. vivipara | Bulbous blue grass | Perennial grass | |
Poa bulbosa var. vivipara | Perennial grass | ||
Poa compressa | Canada blue grass | Perennial grass | 6 |
Poa palustris | Fowl bluegrass | Perennial grass | 3 |
Poa pratensis ! | Kentucky blue grass | Perennial grass | 2 |
Poa pratensis ssp. angustifolia | Narrow leaved kentucky blue grass | Perennial grass | |
Poa pratensis ssp. pratensis | Kentucky blue grass | Perennial grass | |
Poa trivialis | Rough blue grass | Perennial grass | 2 |
Polemonium caeruleum | Charity | Perennial herb | 3 |
Polygonum cuspidatum | Japanese knotweed | Perennial herb | 1 |
Polypogon interruptus | Ditch beard grass | Perennial grass | |
Polypogon viridis | Water beard grass | Perennial grass | |
Potamogeton crispus ! | Crispate leaved pondweed | Perennial herb (aquatic) | |
Potentilla recta | Sulphur cinquefoil | Perennial herb | 1 |
Poterium sanguisorba | Garden burnet | Perennial herb | 6 |
Puccinellia distans | European alkali grass | Perennial grass | 4 |
Ranunculus repens ! | Crowfoot, creeping buttercup | Perennial herb | 2 |
Ranunculus sardous | Hairy buttercup | Perennial herb | |
Rhaponticum repens ! | Russian knapweed | Perennial herb | |
Rumex acetosella ! | Sheep sorrel | Perennial herb | 1 |
Rumex conglomeratus | Green dock | Perennial herb | |
Rumex crispus ! | Curly dock | Perennial herb | 4 |
Rumex stenophyllus | Narrowleaf dock | Perennial herb | |
Rytidosperma penicillatum ! | Purple awned wallaby grass | Perennial grass | |
Salvia aethiopis ! | Mediterranean sage | Perennial herb | |
Salvia virgata | Wand sage | Perennial herb | |
Sanguisorba minor | Small burnet | Perennial herb | 6 |
Sanguisorba minor ssp. balearica | Small burnet | Perennial herb | |
Sanguisorba minor ssp. muricata | Garden burnet | Perennial herb | |
Saponaria officinalis ! | Bouncing bet | Perennial herb | 2 |
Saxifraga ferruginea var. vreelandii | Vreeland's saxifrage | Perennial herb | |
Saxifraga virginiensis | Early saxifrage | Perennial herb | |
Senecio jacobaea ! | Tansy ragwort | Perennial herb | |
Silene latifolia | Bladder campion | Perennial herb | 1 |
Silene vulgaris | Common campion | Perennial herb | 1 |
Sonchus arvensis | Perennial sow thistle | Perennial herb | |
Sorghum halepense | Johnsongrass | Perennial grass | |
Stellaria graminea | Grasslike starwort | Perennial herb | |
Tanacetum balsamita | Costmary | Perennial herb | 2 |
Tanacetum parthenium | Feverfew | Perennial herb | 8 |
Tanacetum vulgare ! | Tansy | Perennial herb | 5 |
Taraxacum erythrospermum | Red-seeded dandelion | Perennial herb | |
Taraxacum officinale | Red seeded dandelion | Perennial herb | 1 |
Thinopyrum intermedium | Intermediate wheatgrass | Perennial grass | 1 |
Thinopyrum ponticum | Tall wheatgrass | Perennial grass | 1 |
Tragopogon dubius | Goat's beard | Perennial herb | |
Tragopogon porrifolius | Salsify | Perennial herb | |
Tragopogon pratensis | Meadow salsify | Perennial herb | |
Triantha glutinosa | Sticky tofieldia | Perennial herb | |
Triantha occidentalis ssp. brevistyla | Sticky tofieldia | Perennial herb | |
Trifolium fragiferum | Strawberry clover | Perennial herb | 6 |
Trifolium hybridum | Alsike clover | Perennial herb | 4 |
Trifolium pratense | Red clover | Perennial herb | 7 |
Trifolium repens | White clover | Perennial herb | 9 |
Trillium sessile | Toadshade | Perennial herb | 7 |
Valeriana capitata | Captiate valerian | Perennial herb | |
Verbascum blattaria | Moth mullein | Perennial herb | 1 |
Verbascum thapsus ! | Woolly mullein | Perennial herb | 3 |
Veronica alpina | Alpine speedwell | Perennial herb | |
Veronica anagallis-aquatica | Water speedwell | Perennial herb | |
Veronica catenata | Chain speedwell | Perennial herb | |
Vinca major ! | Vinca | Perennial herb | 4 |
Viola affinis | Sand violet | Perennial herb | |
Viola odorata | English violet | Perennial herb | 5 |
Lifeform: Fern | 2 plants | ||
Lifeform: Shrub | 39 plants | ||
Lifeform: Tree | 11 plants | ||
Lifeform: Vine | 2 plants |
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive. |
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NB: found in Siskiyou County is intended to indicate only plants found growing in the wild. However, the evidence is not always clear, and may occasionally include plants found in cultivation. To verify the wild presence of any particular plant in the list above, please click through to Calflora and look closely at the observations in this county. | ||