Washington Flora Checklist
A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium

 

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Recently Updated Taxa

Most recently updated taxa in the Washington Flora Checklist.

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Family Taxon (native species in boldface) Common Names Last Updated
Plantaginaceae Bacopa rotundifolia (Michx.) Wettst.   [JPM2] water hyssop 8/18/2018
Cyperaceae Cyperus diandrus Torr.   [FNA23] umbrella flatsedge 8/17/2018
Rosaceae Rubus nutkanus Moc. ex Ser.   [Draft Revised H&C] thimbleberry 7/26/2018
Berberidaceae Mahonia nervosa (Pursh) Nutt.   [Draft Revised H&C] Cascade Oregon-grape, dull Oregongrape 7/26/2018
Berberidaceae Mahonia repens (Lindl.) G. Don   [Draft Revised H&C] creeping Oregon-grape 7/26/2018
Berberidaceae Mahonia aquifolium (Pursh) Nutt.   [Draft Revised H&C] holly-leaf Oregon-grape, shining Oregongrape, tall Oregongrape 7/26/2018
Polygonaceae Eriogonum heracleoides Nutt. var. heracleoides    [FNA5, H&C] parsnip-flowered buckwheat, parsnip-flowered eriogonum 7/25/2018
Ranunculaceae Myosurus sessilis S. Watson   [Draft Revised H&C; FNA3] vernal pool mousetail 7/19/2018
Poaceae Parapholis incruva (L.) C.E.Hubb.   [Draf Revised H&C] sicklegrass 7/8/2018
Euphorbiaceae Euphorbia characias L.   [Stace] 7/1/2018
Orobanchaceae Aphyllon uniflorum (L.) Torr. & A. Gray   [Draft Revised H&C] naked broom-rape, naked broomrape 6/30/2018
Boraginaceae Lithospermum incisum Lehm.   [Draft Revised H&C] golden puccoon 6/27/2018
Polygonaceae Rheum rhabarbarum L.   [FNA5] rhubarb 6/27/2018
Asteraceae Carduus pycnocephalus L.   [Draft Revised H&C; FNA19] 6/27/2018
Juncaceae Juncus compressus Jacq.   [Draft Revised H&C] round-fruited rush 6/25/2018
Apiaceae Lomatium sandbergii J.M.Coult. & Rose    [Draft Revised H&C] Sandberg's desert-parsley 6/22/2018
Geraniaceae Geranium purpureum Vill.   [Draft Revised H&C] purple geranium 6/20/2018
Boraginaceae Plagiobothrys bracteatus (Howell) I.M.Johnst.    [Draf Revised H&C] bracted popcorn-flower 6/6/2018
Asteraceae Mauranthemum paludosum (Poir.) Vogt & Oberpr. annual marguerite 6/1/2018
Poaceae Polypogon fugax Nees ex Steud. Asia Minor bluegrass 6/1/2018
Asteraceae Conyza sumatrensis (Retz.) E. Walker asthmaweed 6/1/2018
Amaranthaceae Corispermum hookeri Mosyakin var. pseudodeclinatum Mosyakin Hooker's bugseed 6/1/2018
Fabaceae Vicia lutea L. yellow vetch 6/1/2018
Amaranthaceae Corispermum pallasii Steven Pallas' bugseed 5/2/2018
Amaranthaceae Chenopodium capitatum (L.) Ambrosi var. parvicapitatum S.L. Welsh Over's Goosefoot 5/2/2018
Solanaceae Datura innoxia Mill. angel's-trumpet 5/1/2018
Amaryllidaceae Allium nevii S. Watson   [FNA26, H&C] Nevius's garlic, Nevius's onion 5/1/2018
Caprifoliaceae Lonicera cauriana Fernald   [Draft Revised H&C] 4/26/2018
Hydrophyllaceae Nemophila menziesii Hook. & Arn. var. menziesii    [H&C] baby blue-eyes 4/25/2018
Fabaceae Laburnum anagyroides Medik.   [IFBC] golden chain-tree 4/20/2018
Liliaceae Erythronium oregonum Applegate ssp. oregonum    [Draft Revised H&C] giant fawn lily, deer's tongue, wild easter lily 4/20/2018
Poaceae Poa infirma Kunth   [Draft Revised H&C] weak bluegrass 4/19/2018
Rosaceae Cotoneaster dielsianus E. Pritz. ex Diels Diel's cotoneaster 4/19/2018
Juncaceae Luzula nivea (L.) DC. snowy woodrush 4/19/2018
Fabaceae Trifolium hirtum All.   [Draft Revised H&C] rose clover 4/17/2018
Geraniaceae Geranium ibericum Cav. Spanish geranium, Spanish crane's-bill 4/13/2018
Asteraceae Mulgedium pulchellum (Pursh) G. Don    [FNA19] 4/13/2018
Apiaceae Lomatium piperi Coult. & Rose   [JPM2, SBM4] Piper's lomatium 4/9/2018
Fabaceae Hedysarum boreale Nutt. var. boreale    [Draft Revised H&C] 4/6/2018
Liliaceae Calochortus longebarbatus S. Watson   [Draft Revised H&C] long-bearded sego lily 4/6/2018
Plantaginaceae Callitriche trochlearis Fassett   [Draft Revised H&C] 4/6/2018
Ulmaceae Ulmus procera Salisb.   [Draft Revised H&C] field elm 4/3/2018
Apiaceae Lomatium lithosolamans J.F. Sm. & Feist   [Draft Revised H&C] Hoover's umbrella-wort, Hoover's tauschia 3/28/2018
Apiaceae Lomatium tamanitchii Darrach & Thie   [Madroño 57(3):203-208.] 3/28/2018
Montiaceae Claytonia umbellata S. Watson   [Draft Revised H&C] Great Basin springbeauty 3/19/2018
Boraginaceae Cryptantha grandiflora Rydb. 3/19/2018
Asteraceae Pleicanthus spinosus (Nutt.) Rydb.   [Draft Revised H&C; FNA 19] thorny skeletonweed 3/19/2018
Caryophyllaceae Cherleria obtusiloba (Rydb.) A.J. Moore   [Draft Revised H&C] alpine sandwort 3/15/2018
Caryophyllaceae Sabulina sororia B.S. Legler   [Draft Revised H&C] Twin Sisters sandwort 3/15/2018
Caryophyllaceae Sabulina basaltica B.S. Legler   [Draft Revised H&C] Olympic sandwort, basalt sandwort 3/15/2018
Apocynaceae Asclepias incarnata L.   [Draft Revised H&C; Draft FNA] swamp milkweed 3/14/2018
Pteridaceae Myriopteris gracilis Fée   [Draft Revised H&C] Fee's lace-fern 3/13/2018
Amaranthaceae Chenopodium atrovirens Rydb. pinyon goosefoot 3/8/2018
Poaceae Vulpia bromoides (L.) S.F. Gray   [FNA24] brome fescue 3/7/2018
Orobanchaceae Aphyllon fasciculatum (Nutt.) Torr. & A. Gray   [Draft Revised H&C] clustered broom-rape, clustered broomrape 3/7/2018
Orobanchaceae Aphyllon pinorum (Geyer ex Hook.) A. Gray   [Draft Revised H&C] pinewoods broom-rape, pine broomrape 3/7/2018
Orobanchaceae Aphyllon ludovicianum (Nutt) A. Gray   [Draft Revised H&C] Suksdorf's broomrape 3/7/2018
Orobanchaceae Aphyllon corymbosum (Rydb.) A.C. Schneid.   [Draft Revised H&C] 3/7/2018
Orobanchaceae Aphyllon californicum (Cham. & Schltdl.) A. Gray ssp. grayanum (Beck) A.C. Schneid   [Draft Revised H&C] 3/7/2018
Orobanchaceae Aphyllon californicum (Cham. & Schltdl.) A. Gray ssp. californicum    [Draft Revised H&C] California broomrape 3/7/2018
Orobanchaceae Aphyllon purpureum (A. Heller) Holub   [Draft Revised H&C] purple broomrape 3/7/2018
Poaceae Cenchrus longispinus (Hack.) Fernald   [FNA25, H&C] mat sandbur, longspine sandbur 3/2/2018
Boraginaceae Lycopsis arvensis L.   [Draft Revised H&C] small bugloss, annual bugloss 3/1/2018
Polygonaceae Fallopia convolvulus (L.) Á. Löve   [Draft Revised H&C; FNA5] Black bindweed 3/1/2018
Polygonaceae Fallopia baldschuanica (Regel) Holub   [Draft Revised H&C; FNA5] Bukhara fleeceflower 3/1/2018
Polygonaceae Fallopia sachalinensis (F. Schmidt ex Maxim.) Ronse Decr.   [Draft Revised H&C, FNA 5] giant knotweed 3/1/2018
Polygonaceae Fallopia japonica (Houtt.) Ronse Decr.   [Draft Revised H&C, FNA 5] Japanese knotweed 3/1/2018
Polygonaceae Fallopia x bohemica (J. Chrtek & A. Chrtková) J. P. Bailey   [Draft Revised H&C, FNA 5] hybrid Japanese knotweed, Bohemian knotweed 3/1/2018
Valerianaceae Valeriana occidentalis Heller   [H&C] western valerian, small-flower valerian 2/28/2018
Amaranthaceae Atriplex longipes Drejer   [Draf Revised H&C, Flora Europaea] Baltic saltbush, long-stalked orache 2/25/2018
Rhamnaceae Frangula purshiana (DC) A. Gray ex J. G. Cooper   [JPM2] cascara, buckthorn 2/12/2018
Geraniaceae Geranium rotundifolium L. round-leaved geranium 2/1/2018
Platanaceae Platanus occidentalis L.   [FNA3] sycamore, American plane-tree 2/1/2018
Fabaceae Laedeania lanceolata (Pursh) A. N. Egan & Reveal   [JPM2] scurf-pea 1/31/2018
Crassulaceae Sedum brevifolium DC.   [Draft Revised H&C] short-leaved stonecrop 12/27/2017
Plantaginaceae Veronica ×lackschewitzii J.B. Keller 12/27/2017
Brassicaceae Lepidium strictum (S. Watson) Rattan   [FNA] upright peppergrass 12/27/2017
Juglandaceae Juglans ailantifolia Carrière Japanese walnut 12/27/2017
Cyperaceae Carex agastachys L. f.   [Jimenez-Mejias et al. 2017. Taxon 66(4): 974-975.] 12/26/2017
Potamogetonaceae Potamogeton strictifolius A. Benn.   [Draft Revised H&C] narrowleaf pondweed 12/15/2017
Campanulaceae Heterocodon rariflorum Nutt.   [H&C] western pearlflower 12/12/2017
Asteraceae Packera porteri (Greene) C. Jeffrey   [FNA20] Porter's groundsel 12/7/2017
Asparagaceae Brodiaea rosea (Greene) Baker ssp. rosea    [Draft Revised H&C] Indian Valley brodiaea 12/7/2017
Brassicaceae Draba taylorii G.A. Mulligan & Al-Shehbaz   [Draft Revised H&C] Taylor's draba 12/7/2017
Phrymaceae Diplacus cusickioides Nesom   [Draft Revised H&C] 12/7/2017
Phrymaceae Diplacus cusickii (Greene) G.L. Nesom   [Phytoneuron 2012-39: 1–60.] Cusick's monkey-flower 12/7/2017
Haloragaceae Myriophyllum spicatum L. Myriophyllum sibiricum Kom.   [Moody and Les, 2007] hybrid Eurasian milfoil 12/5/2017
Thymelaeaceae Thymelaea passerina (L.) Coss. & Germ. mezereon 12/5/2017
Fabaceae Astragalus canadensis L. var. canadensis    [IFBC] Canada milk-vetch 11/27/2017
Alismataceae Alisma plantago-aquatica L.   [FNA22] European water-plantain 11/27/2017
Brassicaceae Hirschfeldia incana (L.) Lagr.-Fossat   [Draft Revised H&C] Mediterranean hoary mustard, short-podded mustard, summer mustard 11/27/2017
Rosaceae Prunus lusitanica L.   [Draft Revised H&C] Portugal laurel 11/27/2017
Typhaceae Typha domingensis Persoon   [FNA22] southern cat-tail 11/20/2017
Lythraceae Lythrum hyssopifolia L.   [H&C] hyssop loosestrife 11/6/2017
Asteraceae Antennaria monocephala DC.   [Draft Revised H&C] pygmy pussytoes 10/23/2017
Cyperaceae Cyperus fuscus L.   [FNA23] brown galingale 10/21/2017
Asteraceae Cota triumfetti (All.) J. Gay   [Draft Revised H&C] 9/15/2017
Orobanchaceae Rhinanthus minor L. ssp. minor    [Draft Revised H&C] 9/13/2017
Orobanchaceae Rhinanthus minor L. ssp. groenlandicus (Ostenf.) L. Neum.   [Draft Revised H&C] 9/13/2017
Lythraceae Ammannia coccinea Rottb.   [Draft Revised H&C; Draft FNA] valley redstem 9/13/2017

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