[Columbia River Gorge Wildflower Reports: 2009]
Currently Blooming Wildflowers at Horsethief Butte
Columbia Hills Historical State Park
April 15, 2009
Chokecherry: Prunus virginiana var. melanocarpa
* Indicates the plant is currently in bloom.
Sword Fern: Polystichum imbricans
Common Horsetail: Equisetum arvense
* Douglas' Sedge: Carex douglasii
* Soft Brome: Bromus hordeaceus var. hordeaceus
Rip Gut: Bromus diandrus
* Cheat Grass: Bromus tectorum
Bottlebrush Squirreltail: Elymus elymoides
Blue Wildrye: Elymus glaucus
Idaho Fescue: Festuca idahoensis
* Bulbous Blue Grass: Poa bulbosa
Medusa Head: Taeniatherum caput-medusae
Green-banded Mariposa Lily: Calochortus macrocarpus var. macrocarpus
*Star-flowred False Solomon Seal: Maianthemum stellatum
*Bicolored Cluster Lily: Triteleia grandiflora ssp. howellii
*Western Blue Flag: Iris missouriensis
Stinging Nettles: Urtica dioica
*Heartleaf Buckwheat: Eriogonum compositum var. compositum
Strict Buckwheat: Eriogonum strictum var. proliferum ? or Eriogonum niveum ?
Sheep Sorrel: Rumex acetosella
Curly Dock: Rumex crispus
* Miner's
Lettuce: Claytonia perfoliata
* Jagged Chickweed: Holosteum umbellatum
Bouncing Bet, Soapweed: Saponaria officinalis
Menzie's Campion: Silene menziesii
* Common Chickweed: Stellaria media
Virgin's Bower: Clematis ligusticifolia
* Tumble Mustard: Sisymbrium altissimum
Fringepod: Thysanocarpus curvipes - Pods well formed.
* Small-flowered Prairie Star:
Lithophragma parviflorum
Golden Currant: Ribes aureum
Mock Orange: Philadelphus lewisii
* Hawthorn: Crataegus sp.
Bittercherry: Prunus emarginata var. emarginata
* Chokecherry: Prunus virginiana var. melanocarpa
* Antelope Bitterbrush: Purshia tridentata
Pearhip Rose: Rosa woodsii
Evergreen Blackberry: Rubus laciniatus
Hardhack, Douglas' Spiraea: Spiraea douglasii (var. ?)
* Prairie Lupine: Lupinus lepidus var. aridus
* American Vetch: Vicia americana
* Filaree: Erodium cicutarium
Common St. John's Wort: Hypericum perforatum
Poison Ivy, Poison Oak: Toxicodendron radicans - In bud.
Common St. John's Wort: Hypericum perforatum
* Slender Evening-primrose: Camissonia contorta
* Chervil: Anthriscus caucalis
* Klickitat Desert Parsley: Lomatium klickitatense
* Nineleaf Desert Parsley: Lomatium triternatum var. triternatum
* Creek Dogwood: Cornus sericea
* Silverleaf Phacelia: Phacelia hastata var. hastata
* Varileaf Phacelia: Phacelia heterophylla
* Lineleaf Phacelia: Phacelia linearis
* Rigid Fiddleneck: Amsinckia retrorsa
* Puccoon: Lithospermum ruderale
Spearmint: Mentha spicata
* Common Monkey Flower: Erythranthe guttata
* Narrow-leaf Owl Clover: Castilleja attenuata
Cutleaf Penstemon: Penstemon richardsonii var. richardsonii
Common Mullein: Verbascum thapsus
* Water Speedwell: Veronica anagallis-aquatica
Sand-dune Broomrape: Orobanche ludoviciana
* Indian-wheat: Plantago patagonica
* Bigroot, Wild Cucumber: Marah oreganus
Blue Elderberry: Sambucus cerulea - In bud.
* White Plectritis: Plectritis
macrocera
* Yarrow: Achillea millefolium - Beginning to bloom.
Tarragon Wormwood: Artemisia dracunculus
Rush Skeletonweed: Chondrilla juncea
Hairy False Goldenaster: Chrysopsis villosa var. villosa
Canada Thistle: Cirsium arvense
Gray Rabbitbrush: Ericameria nauseosa
Columbia Goldenweed: Ericameria resinosus
Green Rabbitbrush: Chrysothamnus viscidiflorus (var. ?)
* Threadleaf Fleabane: Erigeron filifolius - Beginning to bloom.
* False Agoseris: Nothocalais troximoides
Paul Slichter