Abies amabilis- Red Fir (1000-4000 ft. in west Cascades)
Abies grandis- Grand Fir
Abies lasiocarpa- Subalpine Fir (2500 ft. to timberline)
Abies procera- Noble Fir
Pinus albicaulis- White Bark Pine (at or near timberline)
Pinus contorta var. latifolia- Lodgepole Pine
Pinus monticola- Western White Pine
Pinus ponderosa- Ponderosa Pine
Pseudotsuga
Pseudotsuga menziesii var. glauca- Douglas Fir (eastern WA)
Pseudotsuga menziesii var. menziesii- Douglas Fir
Tsuga
Tsuga heterophylla- Western Hemlock
Tsuga mertensiana- Mountain Hemlock (4000 to 7000 ft.)
Eriogonum douglasii var. douglasii- Douglas' Buckwheat
Eriogonum sphaerocephalum var. sphaerocephalum- Rock Buckwheat
Eriogonum compositum var. lancifolium- Northern Buckwheat
Eriogonum compositum var. leianthum- Northern Buckwheat
Eriogonum heracleoides var. angustifolium- Parsnip-flowered Buckwheat
Eriogonum heracleoides var. minus- Parsnip-flowered Buckwheat
Eriogonum umbellatum var. subalpinum- Sulfur Flower Buckwheat
Eriogonum umbellatum var. hypoleium- Sulfur Flower Buckwheat
Eriogonum umbellatum var. umbellatum- Sulfur Flower Buckwheat
Eriogonum pyrolifolium var. coryphaeum- Alpine Buckwheat
Eriogonum pyrolifolium var. pyrolifolium- Oarleaf Buckwheat
Eriogonum thymoides- Thyme-leaved Buckwheat
Eriogonum microthecum var. laxiflorum- Slenderbush Buckwheat
Eriogonum elatum- Tall Buckwheat
Eriogonum niveum- Snow Buckwheat
Eriogonum strictum ssp. proliferum var. anserinum- Strict Buckwheat
Eriogonum strictum ssp. proliferum var. glabrum- Strict Buckwheat
Eriogonum strictum ssp. proliferum var. proliferum- Strict Buckwheat
Eriogonum ovalifolium var. nivale- Oval-leaved Buckwheat
Eriogonum ovalifolium var. celsum- Oval-leaved Buckwheat
Eriogonum vimineum var. vimineum- Broom Buckwheat
Eriogonum spergulinum var. reddingianum- Spurry Buckwheat
Oxyria
Oxyria digyna- Mountian Sorrel
Oxytheca
Oxytheca dendroides- Oxytheca
Polygonum
Polygonum minimum- Broadleaf Knotweed
Polygonum ramosissimum- Bushy Knotweed
Polygonum viviparum- European Bistort
Polygonum bistortoides- American Bistort
Polygonum punctatum- Water Smartweed
Polygonum austiniae- Austin's Knotweed
Polygonum majus- Wiry Knotweed
Polygonum douglasii var. douglasii- Douglas' Knotweed
Polygonum douglasii var. latifolium- Mountain Knotweed
Polygonum nuttallii- Nuttall's Knotweed
Polygonum sperulariaeforme- Spurry Knotweed
Polygonum watsonii- Water Knotweed (Grant Co.)
Polygonum confertiflorum- Closeflowered Knotweed (Kittitas Co.)
Polygonum kelloggii- Kellogg's Knotweed
Polygonum sawatchense- Sawatch Knotweed
Polygonum fowleri- Fowler's Knotweed
Polygonum phytolaccaefolium- Alpine Knotweed
Polygonum newberryi var. glabrum- Newberry's Fleeceflower
Polygonum newberryi var. newberryi- Newberry's Fleeceflower
Polygonum coccineum- Water Smartweed
Polygonum amphibium- Water Smartweed
Polygonum hydropiperoides var. hydropiperoides- Waterpepper
Polygonum hydropiperoides var. setaceum- Waterpepper (Okanogan Co.)
Rumex
Rumex paucifolius- Alpine Sorrel
Rumex venosus- Veiny Dock
Rumex persicarioides- Yellow Dock
Rumex maritimus- Seaside Dock
Rumex occidentalis var. occidentalis- Western Dock
Rumex occidentalis var. procerus- Western Dock
Rumex salicifolius ssp. salicifolius- Willow Dock (mainly west Cascades)
Rumex salicifolius ssp. triangulivalvis var. angustivalvis- Willow Dock
Rumex salicifolius ssp. triangulivalvis var. triangulivalvis- Willow Dock
Claytonia lanceolata var. chrysantha- Western Spring Beauty ( Mt. Baker)
Claytonia lanceolata var. lanceolata- Western Spring Beauty
Claytonia megarhiza var. nivalis- Wenatchee Spring Beauty
Lewisia
Lewisia columbiana var. columbiana- Columbia Lewisia
Lewisia columbiana var. rupicola- Columbia Lewisia ( Mt. Rainier and south)
Lewisia pygmaea var. pygmaea- Alpine Lewisia
Lewisia rediviva- Bitterroot
Lewisia triphylla- Threeleaf Lewisia
Lewisia tweedyi- Tweedy's Lewisia
Montia
Montia parvifolia var. parvifolia- Littleleaf Montia
Montia diffusa- Branching Montia (mainly west Cascades)
Montia dichotoma- Dwarf Montia
Montia chamissoi- Water Montia
Montia fontana var. tenerrima- Water Chickweed
Montia linearis- Narrow-leaf Montia
Montia cordifolia- Broadleaf Montia
Montia perfoliata- Miner's Lettuce
Montia sibirica var. bulbifera- Western Springbeauty (occasionally in WA)
Montia sibirica var. sibirica- Western Springbeauty
Montia spathulata- Pale Montia (usually west Cascades)
Dodecatheon conjugens var. conjugens- Slimpod Shooting Star
Dodecatheon conjugens var. viscidum- Desert Shooting Star
Dodecatheon cusickii- Sticky Shooting Star
Dodecatheon dentatum- White Shooting Star
Dodecatheon jeffreyi- Tall Shooting Star
Dodecatheon pulchellum var. pulchellum- Few-flowered Shooting Star
Aspidotis densa (Brackenridge in Wilkes) Lellinger- Indian's Dream
Cheilanthes
Cheilanthes feei T. Moore- Slender Lipfern
Cheilanthes gracillima D.C. Eaton in Emory- Lace Fern
Cryptogramma
Cryptogramma acrostichoides R. Brown in Franklin- American Parsley Fern
syn: Cryptogramma crispa L.
Cryptogramma stelleri (S.G. Gmelin) Prantl in Engler- Steller's Rock Brake (northern WA and north)
Cryptogramma cascadensis E.R. Alverson- Cascade Parsley Fern
Pallaea
Pallaea breweri D.C. Eaton- Brewer's Cliff Brake
Pallaea glabella Mettenius ex Kuhn ssp. simplex (Butters) A. Love & D. Love- Smooth Cliff Brake
syn: Pallaea glabella Mettenius ex Kuhn var. simplex Butters
Pallaea brachyptera (T. Moore) Baker in Hooker & Baker- Cliff Brake