Checklist » Recent Additions
Recent Additions

Most recently added taxa in the Washington Flora Checklist.

Family
Taxon (native taxa in boldface)
Common Names
Added On
Asteraceae
Solidago simplex Kunth[FNA20, HC2]
sticky goldenrod
Added 5/2/2018
Asteraceae
Soliva [FNA19, HC2]
burrweed
Added 5/2/2018
Asteraceae
Sonchus [FNA19, HC, HC2]
sow-thistle
Added 5/2/2018
Asteraceae
Sonchus arvensis L.[FNA19, HC, HC2]
field sow-thistle, perennial sow-thistle
Added 5/2/2018
Rosaceae
Sorbaria [HC2]
false spirea
Added 5/2/2018
Rosaceae
Sorbus [HC, HC2]
mountain-ash, service tree, whitebeam
Added 5/2/2018
Rosaceae
Sorbus scopulina Greene[HC, HC2]
Greene's mountain ash, Cascade mountain-ash, western mountain-ash
Added 5/2/2018
Rosaceae
Sorbus sitchensis M. Roem.[HC, HC2]
Sitka mountain-ash
Added 5/2/2018
Poaceae
Sorghum [HC, HC2]
sorghum
Added 5/2/2018
Typhaceae
Sparganium [FNA22, HC, HC2]
bur-reed
Added 5/2/2018
Poaceae
Spartina [HC, HC2]
cordgrass
Added 5/2/2018
Fabaceae
Spartium [HC2]
Spanish broom
Added 5/2/2018
Caryophyllaceae
Spergula [FNA5, HC, HC2]
spurry
Added 5/2/2018
Caryophyllaceae
Spergularia [FNA5, HC, HC2]
sandspurry
Added 5/2/2018
Malvaceae
Sphaeralcea [HC, HC2]
globe-mallow
Added 5/2/2018
Fabaceae
Sphaerophysa [HC2]
Austrian peaweed, swainsona
Added 5/2/2018
Poaceae
Sphenopholis [HC, HC2]
prairie-grass, wedgegrass
Added 5/2/2018
Amaranthaceae
Spinacia [FNA4, HC, HC2]
 
Added 5/2/2018
Rosaceae
Spiraea [HC, HC2]
meadowsweet, spiraea, spirea
Added 5/2/2018
Rosaceae
Spiraea douglasii Hook.[HC, HC2]
Douglas's spiraea, hardhack steeplebush
Added 5/2/2018
Orchidaceae
Spiranthes [FNA26, HC, HC2]
ladies-tresses, pearl-twist
Added 5/2/2018
Araceae
Spirodela [FNA22, HC, HC2]
greater duckweed
Added 5/2/2018
Poaceae
Sporobolus [HC, HC2]
dropseed
Added 5/2/2018
Poaceae
Sporobolus compositus (Poir.) Merr.[HC2]
composite dropseed, tall dropseed
Added 5/2/2018
Lamiaceae
Stachys [HC, HC2]
betony, hedge-nettle, woundwort
Added 5/2/2018
Lamiaceae
Stachys pilosa Nutt.[HC2]
marsh betony, swamp hedge-nettle
Added 5/2/2018
Caryophyllaceae
Stellaria [FNA5, HC, HC2]
chickweed, starwort, stitchwort
Added 5/2/2018
Caryophyllaceae
Stellaria borealis Bigelow[FNA5, HC2]
boreal starwort, boreal stitchwort
Added 5/2/2018
Caryophyllaceae
Stellaria longipes Goldie[FNA5, HC, HC2]
longstalk starwort
Added 5/2/2018
Asteraceae
Stenotus [FNA20, HC2]
mock goldenweed
Added 5/2/2018
Asteraceae
Stenotus lanuginosus (A. Gray) Greene[FNA20, HC2]
woolly goldenweed
Added 5/2/2018
Asteraceae
Stephanomeria [FNA19, HC, HC2]
wirelettuce
Added 5/2/2018
Asteraceae
Stephanomeria exigua Nutt.[FNA19, HC, HC2]
small wirelettuce
Added 5/2/2018
Brassicaceae
Streptanthella [FNA7, HC, HC2]
streptanthella
Added 5/2/2018
Liliaceae
Streptopus [FNA26, HC, HC2]
twisted-stalk
Added 5/2/2018
Brassicaceae
Strigosella [FNA7, HC2]
 
Added 5/2/2018
Blechnaceae
Struthiopteris [HC2]
hard fern
Added 5/2/2018
Potamogetonaceae
Stuckenia [FNA22, HC2]
pondweed
Added 5/2/2018
Potamogetonaceae
Stuckenia filiformis (Pers.) Börner[FNA22, HC2]
slender-leaved pondweed, western pondweed, threadleaf-pondweed
Added 5/2/2018
Amaranthaceae
Suaeda [FNA4, HC, HC2]
seablite
Added 5/2/2018
Brassicaceae
Subularia [FNA7, HC, HC2]
awlwort
Added 5/2/2018
Saxifragaceae
Suksdorfia [FNA8, HC, HC2]
suksdorfia
Added 5/2/2018
Saxifragaceae
Sullivantia [FNA8, HC, HC2]
coolwort, sullivantia
Added 5/2/2018
Gentianaceae
Swertia [HC, HC2]
swertia
Added 5/2/2018
Caprifoliaceae
Symphoricarpos [HC, HC2]
snowberry
Added 5/2/2018
Caprifoliaceae
Symphoricarpos albus (L.) S.F. Blake[HC, HC2]
common snowberry
Added 5/2/2018
Caprifoliaceae
Symphoricarpos rotundifolius A. Gray[HC2]
mountain snowberry
Added 5/2/2018
Asteraceae
Symphyotrichum [FNA20, HC2]
aster
Added 5/2/2018
Asteraceae
Symphyotrichum ericoides (L.) G.L. Nesom[FNA20, HC2]
heath-leaved aster, tufted white prairie aster
Added 5/2/2018
Asteraceae
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom[FNA20, HC2]
alpine leafybract aster, Canby's leafybract aster, Cusick's American aster, Cusick's aster, Henderson's aster, Kootenai aster, leafy aster, leafy-bracted aster, Parry's aster
Added 5/2/2018
Asteraceae
Symphyotrichum laeve (L.) Á. Löve & D. Löve[FNA20, HC2]
Geyer's aster, smooth aster
Added 5/2/2018
Asteraceae
Symphyotrichum lanceolatum (Willd.) G.L. Nesom[FNA20, HC2]
marsh aster, western willow aster
Added 5/2/2018
Asteraceae
Symphyotrichum spathulatum (Lindl.) G.L. Nesom[FNA20, HC2]
western aster, western mountain aster
Added 5/2/2018
Boraginaceae
Symphytum [HC, HC2]
comfrey
Added 5/2/2018
Poaceae
Taeniatherum [HC2]
medusahead
Added 5/2/2018
Tamaricaceae
Tamarix [HC, HC2]
saltcedar, tamarisk
Added 5/2/2018
Asteraceae
Tanacetum [FNA19, HC, HC2]
tansy
Added 5/2/2018
Asteraceae
Taraxacum [FNA19, HC, HC2]
dandelion
Added 5/2/2018
Onagraceae
Taraxia [HC2]
goldeneggs
Added 5/2/2018
Apiaceae
Tauschia [HC, HC2]
tauschia
Added 5/2/2018
Taxaceae
Taxus [FNA2, HC, HC2]
yew
Added 5/2/2018
Brassicaceae
Teesdalia [FNA7, HC, HC2]
shepherd's cress
Added 5/2/2018
Saxifragaceae
Tellima [FNA8, HC, HC2]
fringecup
Added 5/2/2018
Asteraceae
Tetradymia [FNA20, HC, HC2]
horse-brush
Added 5/2/2018
Lamiaceae
Teucrium [HC, HC2]
germander, wood sage
Added 5/2/2018
Lamiaceae
Teucrium canadense L.[HC, HC2]
western germander
Added 5/2/2018
Ranunculaceae
Thalictrum [FNA3, HC, HC2]
meadowrue
Added 5/2/2018
Brassicaceae
Thelypodium [FNA7, HC, HC2]
thelypody
Added 5/2/2018
Brassicaceae
Thelypodium howellii S. Watson[FNA7, HC, HC2]
Howell's thelypody
Added 5/2/2018
Fabaceae
Thermopsis [HC, HC2]
buck-bean, golden-banner, golden-pea, thermopsis
Added 5/2/2018
Fabaceae
Thermopsis montana Nutt.[HC, HC2]
mountain buck-bean, mountain golden-banner, mountain golden-pea, mountain thermopsis
Added 5/2/2018
Poaceae
Thinopyrum [HC2]
wheatgrass
Added 5/2/2018
Poaceae
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey[HC2]
intermediate wheatgrass
Added 5/2/2018
Brassicaceae
Thlaspi [FNA7, HC, HC2]
pennycress
Added 5/2/2018
Cupressaceae
Thuja [FNA2, HC, HC2]
arborvitae, cedar
Added 5/2/2018
Thymelaeaceae
Thymelaea [HC2]
mezereon, spurge-flax
Added 5/2/2018
Lamiaceae
Thymus [HC, HC2]
thyme
Added 5/2/2018
Lamiaceae
Thymus praecox Opiz
 
Added 5/2/2018
Brassicaceae
Thysanocarpus [FNA7, HC, HC2]
fringepod, lacepod
Added 5/2/2018
Saxifragaceae
Tiarella [FNA8, HC, HC2]
coolwort, foamflower, laceflower, false mitrewort
Added 5/2/2018
Saxifragaceae
Tiarella trifoliata L.[FNA8, HC, HC2]
three-leaf foamflower
Added 5/2/2018
Ehretiaceae
Tiquilia [HC2]
crinklemat
Added 5/2/2018
Saxifragaceae
Tolmiea [FNA8, HC, HC2]
pig-a-back-plant, thousand mothers, youth-on-age
Added 5/2/2018
Plantaginaceae
Tonella [HC, HC2]
tonella
Added 5/2/2018
Asteraceae
Tonestus [FNA20, HC2]
serpentweed
Added 5/2/2018
Apiaceae
Torilis [HC, HC2]
hedge parsley
Added 5/2/2018
Poaceae
Torreyochloa [HC2]
false manna grass
Added 5/2/2018
Poaceae
Torreyochloa pallida (Torr.) G.L. Church[HC2]
pale false manna grass
Added 5/2/2018
Asteraceae
Townsendia [FNA20, HC, HC2]
townsend daisy, townsendia
Added 5/2/2018
Anacardiaceae
Toxicodendron [HC2]
poison ivy, poison oak
Added 5/2/2018
Anacardiaceae
Toxicodendron radicans (L.) Kuntze[HC2]
western poison ivy
Added 5/2/2018
Melanthiaceae
Toxicoscordion [HC2]
death-camas, zigadenus, zygadene
Added 5/2/2018
Melanthiaceae
Toxicoscordion venenosum (S. Watson) Rydb.[HC2]
meadow death-camas, deadly zygadene
Added 5/2/2018
Asteraceae
Tragopogon [FNA19, HC, HC2]
goatsbeard, salsify
Added 5/2/2018
Ranunculaceae
Trautvetteria [FNA3, HC, HC2]
false bugbane
Added 5/2/2018
Hypericaceae
Triadenum [HC2]
marsh
Added 5/2/2018
Tofieldiaceae
Triantha [FNA26, HC2]
false-asphodel, tofieldia
Added 5/2/2018
Tofieldiaceae
Triantha occidentalis (S. Watson) R.R. Gates[FNA26, HC2]
western asphodel, western tofieldia
Added 5/2/2018
Zygophyllaceae
Tribulus [HC, HC2]
ground bur-nut, land caltrop, puncture-vine
Added 5/2/2018
Cyperaceae
Trichophorum [FNA23, HC2]
deergrass
Added 5/2/2018
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