Aconitum columbianum var. columbianum- Columbian Monkshood presence verified
Actaea
Actaea rubra- Western Red Baneberry presence verified
Anemone
Anemone drummondii var. drummondii- Drumond's Anemone
Anemone multifida var. hirsuta- Pacific Anemone (less common in Cascades from Mt. Rainier to B.C.)
Anemone multifida var. multifida- Pacific Anemone
Anemone nuttalliana- Pasqueflower sensitive
Anemone occidentalis- Western Pasqueflower
Anemone parviflora- Northern Anemone (northern WA and north)
Anemone oregana var. oregana- Oregon Anemone presence verified
Anemone piperi- Piper's Anemone
Caltha biflora var. biflora- White Marsh Marigold presence verified
Caltha biflora var. rotundifolia- White Marsh Marigold (occasionally in Cascades of WA)
Clematis
Clematis columbiana var. columbiana- Columbian Clematis presence verified
Clematis columbiana var. dissecta- Columbian Clematis
Clematis hirsutissima- Douglas' Clematis
Clematis ligustifolia- Western Clematis presence verified
Coptis
Coptis occidentalis- Western Goldthread (northeast WA)
Ranunculus cymbalaria- Shore Buttercup (only coastal?)
Ranunculus flammula- Creeping Buttercup
Ranunculus alismaefolius var. alismaefolius- Water-Plantain Buttercup (west Cascades)
Ranunculus alismaefolius var. hartwegii- Water-Plantain Buttercup
Ranunculus alismaefolius var. alismellus- Water-Plantain Buttercup (Kittitas Co.)
Ranunculus hebecarpus- Downy Buttercup
Ranunculus subrigidus- Stiff-leaved Water Buttercup
Ranunculus aquatilis var. hispidulus- White Water Buttercup
Ranunculus aquatilis var. capillaceus- White Water Buttercup
Ranunculus sceleratus var. multifidus- Celery-leaved Crowfoot
Ranunculus flabellaris- Yellow Water Buttercup
Ranunculus gmelinii var. hookeri- Gmelin's Buttercup
Ranunculus gmelinii var. limosus- Gmelin's Buttercup
Ranunculus glaberrimus var. ellipticus- Sagebrush Buttercup
Ranunculus glaberrimus var. glaberrimus- Sagebrush Buttercup
Ranunculus inamoenus- Unlovely Buttercup
Ranunculus eschscholtzii var. eschscholtzii- Subalpine Buttercup
Ranunculus eschscholtzii var. suksdorfii- Subalpine Buttercup
Ranunculus verecundus- Modest Buttercup
Ranunculus orthorhynchus var. platyphyllus- Straightbeak Buttercup
Ranunculus acris- Meadow Buttercup
Ranunculus pensylvanicus- Pennsylvania Buttercup (mostly west Cascades)
Ranunculus macounii var. macounii- Macoun's Buttercup
Ranunculus uncinatus var. parviflorus- Little Buttercup (occasionally east Cascades)
Ranunculus uncinatus var. uncinatus- Little Buttercup (sparingly from AK to western OR)
Thalictrum
Thalictrum occidentale- Western Meadowrue presence verified
Thalictrum venulosum- Veiny Meadowrue
Trautvetteria
Trautvetteria caroliniensis var. occidentalis- False Bugbane
Amelanchier alnifolia var. alnifolia- Western Serviceberry presence verified
Amelanchier alnifolia var. cusickii- Western Serviceberry
Amelanchier alnifolia var. semiintegrifolia- Western Serviceberry (north WA)
Amelanchier utahensis- Utah Serviceberry (Yakima Co.)
Aruncus
Aruncus sylvester- Goatsbeard
Crataegus
Crataegus columbiana var. columbiana- Columbia Hawthorn presence verified
Crataegus douglasii var. douglasii- Black Hawthorn presence verified
Dryas
Dryas octopetala var. hookeriana- White Dryas
Fragaria
Fragaria vesca var. bracteata- Woods Strawberry
Fragaria vesca var. crinita- Woods Strawberry
Fragaria virginiana var. glauca- Blueleaf Strawberry (rare west of the Rocky Mts)
Fragaria virginiana var. platypetala- Broad-petal Strawberry
Geum
Geum aleppicum- Yellow Avens
Geum macrophyllum var. macrophyllum- Oregon Avens (mostly west Cascades)
Geum macrophyllum var. perincisum- Oregon Avens
Geum rivale- Water Avens (Okanogan Co.)
Geum rossii var. depressum- Ross' Avens, Water Avens sensitive
Geum triflorum var. ciliatum- Prairie Smoke presence verified
Physocarpus capitatus- Pacific Ninebark (west Cascades in WA and in northern ID)
Physocarpus malvaceus- Mallow Ninebark
Potentilla
Potentilla anserina- Common Silverweed
Potentilla arguta var. convallaria- Tall Cinquefoil
Potentilla biennis- Biennial Cinquefoil
Potentilla drummondii- Drummond's Cinquefoil
Potentilla flabellifolia- Fan-leaved Cinquefoil
Potentilla fruticosa- Shrubby Cinquefoil
Potentilla glandulosa var. glandulosa- Sticky Cinquefoil
Potentilla glandulosa var. intermedia- Sticky Cinquefoil (occasionally east of Cascades in WA)
Potentilla gracilis var. flabelliformis- Cinquefoil
Potentilla gracilis var. glabrata- Cinquefoil
Potentilla gracilis var. permollis- Cinquefoil
Potentilla gracilis var. pulcherrima- Soft Cinquefoil (occasionally in eastern WA)
Potentilla newberryi- Newberry's Cinquefoil (south central WA and south)
Potentilla palustris- Purple Cinquefoil
Potentilla paradoxa- Bushy Cinquefoil
Potentilla pensylvanica- Prairie Cinquefoil
Potentilla rivalis- Brook Cinquefoil
Potentilla uniflora- One-flowered Cinquefoil (north Cascades?)
Potentilla villosa var. parviflora- Villous Cinquefoil
Prunus
Prunus emarginata var. emarginata- Bittercherry presence verified
Prunus virginiana var. melanocarpa- Common Chokecherry presence verified
Purshia
Purshia tridentata- Bitterbrush presence verified
Rosa
Rosa gymnocarpa- Baldhip Rose presence verified
Rosa nutkana var. hispida- Bristly Nootka Rose presence verified
Rosa nutkana var. nutkana- Nootka Rose (mostly west Cascades)
Rosa pisocarpa- Clustered Wild Rose
Rosa woodsii var. ultramontana- Pearhip Rose
Sanguisorba occidentalis- Annual Burnet
Sanguisorba officinalis- Garden Burnet (chiefly along coast, up to 5000 ft on Mt. Hood)
Sanguisorba sitchensis- Sitka Burnet
Sorbus
Sorbus scopulina var. canadensis- Cascade Mountain Ash (occasionally inland)
Sorbus scopulina var. scopulina- Cascade Mountain Ash presence verified
Sorbus sitchensis var. grayi- Sitka Mountain Ash
Sorbus sitchensis var. sitchensis- Sitka Mountain Ash
Spiraea
Spiraea betulifolia var. lucida- Birch-leaved Spiraea presence verified
Spiraea densiflora var. densiflora- Subalpine Spiraea presence verified
Spiraea douglasii var. douglasii- Douglas' Spiraea (mostly west Cascades)
Spiraea douglasii var. menziesii- Menzies' Spiraea presence verified
Spiraea pyramidata- Pyramid Spiraea presence verified