Vascular Plants of Cook and Green Pass, Siskiyou County
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Humboldt State University Digital Commons @ Humboldt State University Botanical Studies Open Educational Resources and Data 2018 Vascular Plants of Cook and Green Pass, Siskiyou County James P. Smith Jr Humboldt State University, [email protected] Follow this and additional works at: https://digitalcommons.humboldt.edu/botany_jps Part of the Botany Commons Recommended Citation Smith, James P. Jr, "Vascular Plants of Cook and Green Pass, Siskiyou County" (2018). Botanical Studies. 77. https://digitalcommons.humboldt.edu/botany_jps/77 This Flora of Northwest California-Checklists of Local Sites is brought to you for free and open access by the Open Educational Resources and Data at Digital Commons @ Humboldt State University. It has been accepted for inclusion in Botanical Studies by an authorized administrator of Digital Commons @ Humboldt State University. For more information, please contact [email protected]. THE VASCULAR PLANTS OF COOK AND GREEN PASS, SISKIYOU COUNTY, CALIFORNIA Compiled by James P. Smith, Jr. Professor Emeritus of Botany Department of Biological Sciences Humboldt State University Arcata, California Third Edition • 1 May 2018 Cook and Green Pass is located near the Oregon border in Siskiyou County Polystichum lemmonii • Lemmon’s or Shasta holly fern (41.942 N, 123.146 W; USGS Kangaroo Mountain Quadrangle). The pass Polystichum lonchitis • northern holly fern itself is at 4816 feet. Seiad Valley is probably the closest community. The Polystichum x scopulinum • western sword fern Klamath National Forest has designated about 700 acres of the region as the Cook and Green Botanical Area in recognition of its floristic richness. Equisetaceae — Horsetail or Scouring-Rush Family Here we find “... the largest single aggregation of native plant species Equisetum hyemale • tall scouring-rush known to occur in one limited area in California” (Roof 1975). Pteridaceae — Brake Fern Family Adiiantum aleuticum • five-finger fern L Y C O P H Y T E S Aspidotis densa • Indian’s dream Cheilanthes gracillima • lace lip fern Isoëtaceae — Quillwort Family Pellaea mucronata ssp. mucronata • bird’s-foot fern Isoëtes echinospora • spiny-spored quillwort Isoëtes occidentalis • western quillwort C O N I F E R S F E R N S Cupressaceae — Cypress Family Calocedrus decurrens • incense-cedar Cystopteridaceae — Bladder Fern Family Cupressus bakeri • Baker or Modoc cypress Cystopteris fragilis • brittle or fragile fern Juniperus communis var. jackii • running juniper Denstaedtiaceae — Bracken Fern Family Pinaceae — Pine Family Pteridium aquilinum var. pubescens • bracken fern Abies amabilis • Pacific silver fir Abies concolor var. lowiana • California white fir Dryopteridaceae — Wood Fern Family Abies procera • Noble fir Polystichum imbricans ssp. curtum • narrow-leaved sword fern Picea breweriana • Brewer or weeping spruce Polystichum imbricans ssp. imbricans • narrow-leaved sword fern Pinus attenuata • knobcone pine -1- Pinus lambertiana • sugar pine Campanulaceae — Bellflower Family Pseudotsuga menziesii • Douglas-fir Asyneuma prenanthoides • California harebell Caprifoliaceae — Honeysuckle Family F L O W E R I N G P L A N T S Linnaea borealis var. longiflora • western or long-tubed twinflower Lonicera ciliosa • orange honeysuckle Aceraceae — Maple Family Symphoricarpos albus var. laevigatus • common snowberry Acer glabrum var. torreyi • Torrey’s or mountain maple Symphoricarpos mollis • spreading or creeping snowberry Acer macrophyllum • big-leaved or Oregon maple Caryophyllaceae — Carnation or Pink Family Amaryllidaceae — Amaryllis or Onion Family Arenaria congesta var. crassula • sandwort Allium acuminatum • Hooker’s or taper-tipped onion Arenaria congesta var. suffrutescens • suffrutescent sandwort Allium campanulatum • dusky or Sierra onion Cerastium fontanum ssp. vulgare • perennial mouse-ear chickweed Allium siskiyouense • Siskiyou onion Minuartia nuttallii ssp. gracilis • Nuttall’s sandwort Minuartia nuttallii ssp. gregaria • Nuttall’s sandwort Apocynaceae — Dogbane Family Moehringia macrophylla • large-leaved sandwort Apocynum androsaemifolium • mountain-hemp, spreading dogbane Scleranthus annuus ssp. annuus • knawel, German-knot-grass Silene campanulata ssp. glandulosa • mountain catchfly Aristolochiaceae — Birthwort Family Silene campanulata ssp. greenei • Greene’s catchfly Asarum caudatum • wild-ginger, long-tailed-ginger Silene grayi • Gray’s campion Asparagaceae — Hyacinth Family Celastraceae — Spindle Tree Family Dipterostemon capitatus • blue dicks Parnassia palustris • marsh grass-of-Parnassus Hastingsia alba • white rush-lily Paxistima myrsinites • Oregon boxwood Maianthemum racemosum ssp. amplexicaule • false lily-of-the-valley Triteleia crocea • yellow triteleia Compositae (Asteraceae) — Sunflower or Aster Family Triteleia ixioides • pretty face Adenocaulon bicolor • trail plant Agoseris heterophyll • annual agoseris Berberidaceae — Barberry Family Agoseris retrorsa • spear-leaved agoseris Mahonia aquifolia • Oregon-grape Antennaria howellii ssp. howellii • Howell’s pussy-toes Mahonia nervosa var. nervosa • Cascade barberry Antennaria racemosa • slender everlasting Vancouveria chrysantha • Siskiyou or yellow inside-out flower Antennaria rosea ssp. rosea • rosy pussy-toes Vancouveria hexandra • northern vancouveria Arnica cernua • serpentine or nodding arnica Arnica discoidea • rayless arnica Betulaceae — Birch Family Arnica latifolia • mountain arnica Alnus incana ssp. tenuifolia • thin-leaved alder Balsamorhiza deltoidea • deltoid balsamroot Alnus rhombifolia • white or California alder Crepis pleurocarpa • naked-stemmed hawk’s-beard Alnus viridis var. sinuata • Sitka alder Heterotheca villosa var. minor • golden-aster Corylus cornuta ssp. californica • California hazelnut Erigeron breweri var. breweri • Brewer’s fleabane Erigeron cervinus • Siskiyou daisy or fleabane Boraginaceae — Borage Family Erigeron glacialis ssp. glacialis • subalpine fleabane Cryptantha affinis • common cryptantha Erigeron inornatus var. inornatus • California rayless daisy Hackelia micrantha • Jessica’s stickseed Erigeron klamathensis • Klamath fleabane Erigeron petrophilus var. petrophilus • rock daisy -2- Erigeron petrophilus var. viscidulus • rayless daisy Carex fracta • fragile-sheathed sedge Eriophyllum lanatum var. integrifolium • common woolly-sunflower Carex lenticularis var. impressa • tarn sedge Eriophyllum lanatum var. lanceolatum • common woolly-sunflower Carex luzulina • woodrush sedge Hazardia whitneyi var. discoidea • Whitney’s goldenbush Carex multicaulis • many-stemmed sedge Helenium bigelovii • Bigelow’s sneezeweed Carex multicostata • many-ribbed sedge Heterotheca villosa var. minor • golden-aster Carex scabriuscula • Siskiyou sedge Hieracium albiflorum • white-flowered hawkweed Carex straminiformis • Mount Shasta sedge Hieracium horridum • shaggy hawkweed Hieracium nudicaule • naked-stemmed hawkweed Ericaceae — Heath Family Pseudognaphalium thermale • northwestern rabbit-tobacco Arctostaphylos nevadensis • pinemat manzanita Senecio integerrimus var. major • big-headed groundsel Arctostaphylos patula • green-leaved manzanita Senecio triangularis • arrow-leaved butterweed Arctostaphylos viscida • white-leaved manzanita Solidago elongata • West Coast goldenrod Chimaphila menziesii • pipsissewa, little prince’s-pine Taraxacum erythrospermum • red-seeded dandelion Chimaphila umbellata • western prince’s-pine Gaultheria aff. humifusa • alpine wintergreen Convolvulaceae — Morning Glory or Bindweed Family Gaultheria ovatifolia • Oregon spicy wintergreen, oval-leaved gaultheria Cuscuta cephalanthi • buttonbush dodder Hemitomes congestum • cone flower, gnome plant Monotropa hypopithys • pinesap Cornaceae — Dogwood Family Orthilia secunda • one-sided wintergreen Cornus nuttallii • Nuttall’s, Pacific, or mountain dogwood Pleuricospora fimbriolata • fringed pine sap Cornus sericea ssp. sericea • red osier Pyrola crypta • cryptic wintergreen Pyrola dentata • toothed wintergreen Crassulaceae — Stonecrop Family Pyrola picta var. picta • white-veined shinleaf Sedum obtusatum ssp. boreale • Sierra stonecrop Rhododendron macrophyllum • California rosebay Sedum lanceolatum var. lanceolatum • spear-leaved stonecrop Vaccinium caespitosum • dwarf huckleberry Sedum oblanceolatum • Applegate’s stonecrop Vaccinium membranaceum • blue or thin-leaved huckleberry Sedum obtusatum var. retusum • Sierra stonecrop Vaccinium scoparium • little-leaved huckleberry Sedum oregonense • cream stonecrop Sedum radiatum • Coast Range stonecrop Fagaceae — Beech or Oak Family Sedum spathulifolium • broad-leaved stonecrop Chrysolepis chrysophylla • golden chinquapin Sedum stenopetalum • worm-leaved stonecrop Quercus chrysolepis var. nana • dwarf canyon live oak Quercus garryana var. fruticosa • Brewer oak Cruciferae (Brassicaceae) — Mustard or Crucifer Family Quercus garryana var. garryana • Oregon white oak Arabis oregana • Oregon rock cress Quercus kelloggii • California black oak Arabis rollei • Rolle’s rock cress Quercus sadleriana • Sadler or deer oak Barbarea orthoceras • winter cress Quercus vacciniifolia • huckleberry oak Erysimum capitatum var. capitatum • Douglas’ or western wallflower Noccaea fendleri ssp. glauca • alpine penny cress Garryaceae — Silk-Tassel Family Streptanthus tortuosus • mountain jewel flower Garrya buxifolia • dwarf silk-tassel Garrya fremontii • Fremont’s silk-tassel Cyperaceae — Sedge Family Calliscirpus crinigera • fringed cotton-grass Carex aurea • golden-fruited sedge Gentianaceae — Gentian Family Carex bolanderi