Central Washington Flora Project

Onagraceae
Ophioglassaceae
Orchidaceae
Orobanchaceae


Onagraceae- Evening Primrose Family

Boisduvalia

Boisduvalia densiflora var. densiflora- Dense Spike Primrose
Boisduvalia densiflora var. salina- Dense Spike Primrose
Boisduvalia glabella- Smooth Spike Primrose

Circaea

Circaea alpina- Enchanter's Nightshade

Clarkia

Clarkia amoena var. lindleyi- Farewell-to-Spring (occasionally from Vancouver Island south)
Clarkia pulchella- Elkhorn Clarkia
Clarkia rhomboidea- Common Clarkia presence verified

Epilobium

Epilobium angustifolium- Fireweed presence verified
Epilobium luteum- Yellow Willow Weed
Epilobium latifolium- Red Willow Weed
Epilobium minutum- Small-flowered Willow Weed
Epilobium paniculatum var. jucundum- Autumn Willow Weed
Epilobium paniculatum var. paniculatum- Autumn Willow Weed
Epilobium palustre- Swamp Willow Weed
Epilobium glandulosum var. glandulosum- Common Willow Weed
Epilobium glandulosum var. macounii- Common Willow Weed
Epilobium glandulosum var. tenue- Common Willow Weed
Epilobium glaberrimum var. glaberrimum- Smooth Willow Weed
Epilobium glaberrimum var. fastigiatum- Smooth Willow Weed
Epilobium watsonii var. watsonii- Watson's Willow Weed (mostly near coast)
Epilobium watsonii var. occidentale- Watson's Willow Weed
Epilobium watsonii var. parishii- Watson's Willow Weed (occasionally inland in WA)
Epilobium alpinum var. alpinum- Alpine Willow Weed
Epilobium alpinum var. clavatum- Alpine Willow Weed
Epilobium alpinum var. albiflorum- Alpine Willow Weed
Epilobium alpinum var. nutans- Alpine Willow Weed
Epilobium alpinum var. gracillimum- Alpine Willow Weed
Epilobium alpinum var. lactiflorum- Alpine Willow Weed

Gaura

Gaura parviflora- Small-flowered Gaura

Gayophytum

Gayophytum decipiens- Deceptive Groundsmoke (south-central WA)
Gayophytum diffusum- Spreading Groundsmoke presence verified
Gayophytum humile- Dwarf Groundsmoke
Gayophytum racemosum- Racemed Groundsmoke
Gayophytum ramosissimum- Hairstem Groundsmoke

Ludwigia

Ludwigia palustris var. americana- Water Purslane

Oenothera

Oenothera andina- Obscure Evening Primrose
Oenothera boothii ssp. boothii- Booth's Evening Primrose (south-central and south east WA)
Oenothera caespitosa var. marginata- Rock Rose
Oenothera caespitosa var. purpurea- Rock Rose
Oenothera hilgardii- Hilgard's Evening Primrose
Oenothera minor- Small-flowered Evening Primrose
Oenothera pallida var. pallida- Pale Evening Primrose
Oenothera pubens- Hairy Evening Primrose
Oenothera pygmaea- Dwarf Evening Primrose
Oenothera strigosa- Common Evening Primrose
Oenothera subacaulis- Longleaf Evening Primrose

Ophioglossaceae- Adder's Tongue Family

Botrychium

Botrychium simplex E. Hitchcock- Least Moonwort
Botrychium lunaria (Linnaeus) Swartz- Moonwort
    syn: Botrychium lunaria (Linnaeus) Swartz var. lunaria, Botrychium lunaria var. onondagense
Botrychium pinnatum H. St. John- Northern Grape Fern
    syn: Botrychium boreale J. Milde
Botrychium multifidum (S.G. Gmelin) Ruprecht- Leather Grape Fern
Botrychium virginianum (Linnaeus) Swartz- Rattlesnake Fern (in northern and western WA)
Botrychium lanceolatum (S.G. Gmelin) Angstrom ssp. lanceolatum- Lance-leaved Grape Fern
Botrychium mingnense Victorin- Mingan Moonwort
Botrychium montanum W.H. Wagner- Western Goblin

Ophioglossum

Ophioglossum pusillum Rafinesque- Northern Adder's Tongue
    syn: Ophioglossum vulgatum Linnaeus

Orchidaceae- Orchid Family

Calypso

Calypso bulbosa- Fairy Slipper presence verified

Corallorhiza

Corallorhiza maculata- Spotted Coralroot presence verified
Corallorhiza mertensiana- Western Coralroot presence verified
Corallorhiza striata- Hooded Coralroot
Corallorhiza trifida- Yellow Coralroot

Cypripedium

Cypripedium calceolus- Yellow Lady's Slipper
Cypripedium fasciculatum- Clustered Lady's Slipper presence verified threatened
Cypripedium montanum- Mountain Lady's Slipper presence verified

Eburophyton

Eburophyton austiniae- Phantom Orchid

Epipactis

Epipactis gigantea- Giant Helleborine

Goodyera

Goodyera oblongifolia- Western Rattlesnake Plantain presence verified

Habenaria

Habenaria dilatata var. dilatata- White Bog Orchid
Habenaria dilatata var. leucostachys- White Bog Orchid
Habenaria elegans- Elegant Rein Orchid
Habenaria hyperborea- Northern Green Bog Orchid
Habenaria obtusata- Blunt-leaved Rein Orchid
Habenaria orbiculata- Large Round-leaved Rein Orchid
Habenaria saccata- Slender Bog Orchid
Habenaria unalascensis- Alaska Rein Orchid

Liparis

Liparis loeselii- Liparis (once collected from Klickitat Co.)

Listera

Listera borealis- Northern Twayblade (Okanogan Co.)
Listera convallarioides- Broad-lipped Twayblade
Listera cordata- Heart Leaf Twayblade

Plantanthera

Plantanthera sparsiflora- Canyon Bog-Orchid sensitive

Spiranthes

Sprianthes porrifolia, Spiranthes romanzoffiana var. porrifolia- Western Ladies-Tresses (Klickitat Co.)
Spiranthes romanzoffiana var. romanzoffiana- Hooded Ladies-Tresses presence verified sensitive

Orobanchaceae- Broomrape Family

Orobanche

Orobanche corymbosa ssp. mutabilis- Flat-topped Broomrape
Orobanche fasciculata- Clustered Broomrape
Orobanche ludoviciana var. arenosa- Suksdorf's Broomrape
Orobanche pinorum- Pine Broomrape
Orobanche uniflora var. minuta- Naked Broomrape
Orobanche uniflora var. purpurea- Naked Broomrape