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

Checklist » Polygonaceae
Polygonaceae   (Buckwheat Family)

Notes: The family Polygonaceae is treated in Volume 5 of the Flora of North America series. Significant taxonomic and nomenclatural changes were made in that treatment. Efforts to incorporate those changes here are ongoing (November, 2007).

Family Synonyms: (none)

Literature:
» FNA = Freeman, C.C. and J.L. Reveal. Polygonaceae. In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 12+ vols. New York and Oxford. Vol. 5, pp. 216-601.

Family treatment authored by Thayne Tuason, David Giblin; last updated 11/27/2007 by David Giblin
 
Taxon (native species in boldface) # Synonyms Common Names
Aconogonon davisiae (W. H. Brewer ex A. Gray) Soják var. davisiae    [FNA5] 3 Davis's knotweed
Aconogonon davisiae (W. H. Brewer ex A. Gray) Soják var. glabrum (G. N. Jones) S. P. Hong   [FNA5] 1
Aconogonon phytolaccifolium (Meisner ex Small) Small var. phytolaccifolium    [FNA5] 3 poke knotweed
Bistorta bistortoides (Pursh) Small   [FNA5] 4
Bistorta vivipara (L.) Delarbre   [FNA5] 4 alpine bistort
Chorizanthe watsonii Torr. & Gray   [FNA5, H&C] 0 five-tooth spineflower, Watson's spine-flower
Eriogonum baileyi S. Watson var. baileyi    [FNA5, JPM] 4 bailey's buckwheat
Eriogonum cernuum Nutt.   [FNA5, H&C] 5 nodding buckwheat
Eriogonum codium Reveal, Caplow & K.A. Beck   [FNA5, not in H&C] 0 Umptanum buckwheat, basalt desert buckwheat
Eriogonum compositum Dougl. ex Benth. var. compositum    [FNA5, H&C] 4 northern buckwheat
Eriogonum compositum Dougl. ex Benth. var. lancifolium St. John & Warren   [FNA5, H&C] 1 northern buckwheat
Eriogonum compositum Dougl. ex Benth. var. leianthum Hook.   [FNA5, H&C] 0 northern buckwheat
Eriogonum douglasii Benth. var. douglasii    [FNA5, H&C] 1 Douglas' buckwheat
Eriogonum elatum Douglas ex Benth. var. elatum    [FNA5] 1 tall buckwheat
Eriogonum flavum Nutt. var. piperi (Greene) M.E. Jones   [FNA5, H&C] 3 Piper's buckwheat, yellow buckwheat
Eriogonum heracleoides Nutt. var. heracleoides    [FNA5, H&C] 3 parsnip-flowered eriogonum
Eriogonum heracleoides Nutt. var. leucophaeum Reveal   [FNA5] 1 bractless parsnip-flower wild buckwheat
Eriogonum maculatum A. Heller   [FNA5, H&C] 3 spotted buckwheat
Eriogonum marifolium Torr. & Gray var. marifolium    [FNA5, H&C] 1 marum-leaf wild buckwheat, mountain buckwheat
Eriogonum microthecum Nutt. var. laxiflorum Hook.   [FNA5, H&C] 3 slenderbush buckwheat
Eriogonum niveum Douglas ex Benth.   [FNA5, H&C] 2 snow buckwheat
Eriogonum nudum Douglas ex Benth. var. nudum    [FNA5, JPM] 2 barestem buckwheat, naked buckwheat
Eriogonum ovalifolium Nutt. var. nivale (Canby) M.E. Jones   [FNA5, H&C] 2 Sierra cushion buckwheat
Eriogonum ovalifolium Nutt. var. ovalifolium    [FNA5, H&C] 2 cushion wild buckwheat
Eriogonum ovalifolium Nutt. var. purpureum (Nutt.) Durand   [FNA5, JPM] 7 purple cushion wild buckwheat
Eriogonum pyrolifolium Hook. var. coryphaeum Torr. & Gray   [FNA5, H&C] 1 alpine buckwheat
Eriogonum pyrolifolium Hook. var. pyrolifolium    [FNA5, H&C] 0 oarleaf buckwheat
Eriogonum sphaerocephalum Dougl. ex Benth. var. halimioides S. Stokes   [FNA5, H&C] 2 rock buckwheat
Eriogonum sphaerocephalum Dougl. ex Benth. var. sphaerocephalum    [FNA5, H&C] 3 rock buckwheat
Eriogonum sphaerocephalum Douglas ex Bentham var. sublineare (S. Stokes) Reveal   [FNA5] 3 scabland wild buckwheat
Eriogonum strictum Benth. var. anserinum (Greene) R.J. Davis   [FNA5] 5 Goose Lake wild buckwheat
Eriogonum strictum Benth. var. proliferum (Torr. & A. Gray) C.L. Hitchc.   [FNA5] 5 strict buckwheat
Eriogonum strictum Benth. var. strictum    [FNA 5] 2 strict buckwheat
Eriogonum thymoides Benth.   [FNA5, H&C] 2 thyme buckwheat, thyme-leaf wild buckwheat
Eriogonum umbellatum Torr. var. ellipticum (Nutt.) Reveal   [FNA5] 4 sulfur flower
Eriogonum umbellatum Torr. var. haussknechtii (Dammer) M.E. Jones   [FNA5] 4 sulfur flower
Eriogonum umbellatum Torr. var. hypoleium (Piper) C.L. Hitchc.   [FNA5] 1 sulfur flower
Eriogonum umbellatum Torr. var. majus Hook.   [FNA5, H&C] 3 subalpine sulfur flower
Eriogonum vimineum Douglas ex Benth.   [FNA5] 4 broom buckwheat
Fagopyrum esculentum Moench   [FNA5] 3 garden buckwheat
Fallopia baldschuanica (Regel) Holub   [FNA5] 4 Bukhara fleeceflower
Fallopia convolvulus (Linnaeus) Á. Löve   [FNA5] 6 Black bindweed
Oxyria digyna (L.) Hill   [FNA5, H&C] 1 mountain-sorrel
Oxytheca dendroidea Nutt. ssp. dendroidea    [JPM] 1 treeline puncturebract
Persicaria amphibia (L.) Gray   [FNA5] 6 water smartweed
Persicaria arifolia (L.) Haraldson   [FNA5] 6 halberd-leaf tearthumb
Persicaria hydropiper (L.) Spach.   [FNA5] 2
Persicaria hydropiperoides (Michaux) Small   [FNA5] 14 swamp smartweed
Persicaria lapathifolia (L.) Gray   [FNA5] 8 pale smartweed
Persicaria maculosa Gray   [FNA5] 1 spotted lady's-thumb, redshank
Persicaria punctata (Elliott) Small   [FNA5] 4 dotted smartweed,
Persicaria setacea Small   [FNA5] 4 bog smartweed
Persicaria wallichii Greuter & Burdet   [FNA5] 5 Himalayan knotweed
Polygonum austiniae Greene   [FNA5, H&C] 2 Austin's knotweed
Polygonum aviculare L. ssp. aviculare    [FNA5] 7 yard knotweed, common knotweed
Polygonum aviculare L. ssp. buxiforme (Small) Costea & Tardif   [FNA5] 3 American knotweed
Polygonum aviculare L. ssp. depressum (Meisner) Arcangeli   [FNA5] 10 common or oval-leaf knotweed,
Polygonum aviculare L. ssp. neglectum (Besser) Arcangeli   [FNA5] 3 narrow-leaf knotweed
Polygonum ×bohemicum (J. Chrtek & A. Chrtková) Zika & Jacobson   [not in H&C] 2 hybrid Japanese knotweed, Bohemian knotweed
Polygonum californicum Meisn.   [FNA5, H&C] 2 California knotweed
Polygonum cuspidatum Siebold & Zucc.   [H&C] 2 Japanese knotweed
Polygonum douglasii Greene   [FNA5] 3 Douglas's knotweed
Polygonum erectum L.   [FNA5, H&C] 1 erect knotweed
Polygonum fowleri B.L. Robins. ssp. fowleri    [FNA5] 2 Fowler's knotweed
Polygonum majus (Meisn.) Piper   [FNA5, H&C] 2
Polygonum minimum S. Wats.   [FNA5, H&C] 1 zigzag knotweed, leafy dwarf knotweed
Polygonum nuttallii Small   [FNA5] 2
Polygonum paronychia Cham. & Schlecht.   [FNA5, H&C] 0 beach knotweed, black knotweed
Polygonum parryi Greene   [FNA5, H&C] 0 Parry's knotweed
Polygonum polygaloides Wallich ex Meisn. ssp. confertiflorum (Nutt. ex Piper) Hickman   [FNA5] 3 close-flowered knotweed
Polygonum polygaloides Wallich ex Meisn. ssp. kelloggii (Greene) Hickman   [FNA5] 3 white-margin knotweed
Polygonum polygaloides Wallich ex Meisn. ssp. polygaloides    [FNA5] 2 Polygala knotweed
Polygonum ramosissimum Michx. ssp. prolificum (Small) Costea & Tardif   [FNA5] 4
Polygonum ramosissimum Michx. ssp. ramosissimum    [FNA5] 9
Polygonum sachalinense F. Schmidt ex Maxim.   [H&C] 2 giant knotweed
Polygonum sawatchense Small ssp. oblivium    [FNA5] 0 Sawatch knotweed
Polygonum sawatchense Small ssp. sawatchense    [FNA5] 5 Sawatch knotweed
Polygonum spergulariiforme Meisn. ex Sm.   [FNA5] 3 spurry or fall knotweed
Rumex acetosa L.   [FNA5, H&C] 3
Rumex acetosella L.   [FNA5, H&C] 4 common sheep sorrel
Rumex conglomeratus Murr.   [FNA5, H&C] 1 sharp dock, clustered dock
Rumex crispus L.   [FNA5, H&C, JPM] 2 curly dock, sour dock
Rumex hesperius Greene   [FNA5] 0 western willow dock
Rumex maritimus L.   [FNA5, H&C, JPM] 4 golden dock
Rumex obtusifolius L.   [FNA5, H&C] 2 bitter dock
Rumex occidentalis S. Wats.   [FNA5, JPM] 11 western dock
Rumex patientia L.   [FNA5, H&C] 3 patience dock
Rumex paucifolius Nutt.   [FNA5, H&C, JPM] 8 alpine sorrel
Rumex sanguineus L.   [FNA5, H&C] 3 red-vein dock
Rumex stenophyllus Ledebour   [FNA5] 4 narrow-leaved or narrowleaf dock
Rumex transitorius Rech. f.   [FNA5] 1 Pacific willow dock
Rumex triangulivalvis (Danser) Rech. f.   [FNA5] 2 white, white willow, or triangular-valved dock
Rumex venosus Pursh   [FNA5, H&C] 0 veiny dock, winged dock


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