Checklist » Polygonaceae
Polygonaceae[FNA5, HC, HC2](Buckwheat Family)
Synonyms: (none)

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).

References:

» 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 information last updated 11/27/2007 by David Giblin.

Taxon (native taxa in boldface)
Common Names
# Synonyms
Bistorta bistortoides (Pursh) Small[FNA5, HC2]
American bistort, western bistort
4 synonyms
Bistorta vivipara (L.) Delarbre[FNA5, HC2]
alpine bistort, serpent-grass
4 synonyms
Chorizanthe brevicornu Torr.[FNA5, HC, HC2]
brittle chorizanthe, brittle spineflower
0 synonyms
var. spathulata (Small ex Rydb.) C.L. Hitchc.[FNA5, HC, HC2]
 
0 synonyms
Chorizanthe watsonii Torr. & A. Gray[FNA5, HC, HC2]
five-tooth spineflower, Watson's spineflower
0 synonyms
Eriogonum androsaceum Benth.[FNA5, HC, HC2]
androsace buckwheat, rock-jasmine buckwheat
0 synonyms
Eriogonum annuum Nutt.[FNA5, HC, HC2]
 
0 synonyms
Eriogonum baileyi S. Watson[FNA5, HC, HC2]
Bailey's buckwheat
0 synonyms
var. baileyi[FNA5, HC2]
Bailey's buckwheat
3 synonyms
var. praebens (Gand.) Reveal[FNA5, HC2]
 
0 synonyms
Eriogonum caespitosum Nutt.[FNA5, HC, HC2]
mat buckwheat
0 synonyms
Eriogonum calcareum (S. Stokes) Grady & Reveal[HC2]
Harper wild buckwheat
1 synonym
Eriogonum capistratum Reveal[HC2]
capped wild buckwheat
0 synonyms
Eriogonum cernuum Nutt.[FNA5, HC, HC2]
nodding buckwheat
5 synonyms
Eriogonum codium Reveal, Caplow & K. A. Beck[FNA5, HC2]
basalt desert buckwheat, Umtanum buckwheat
0 synonyms
Eriogonum compositum Douglas ex Benth.[FNA5, HC, HC2]
arrow-leaf buckwheat, northern buckwheat
0 synonyms
var. compositum[FNA5, HC, HC2]
northern buckwheat
4 synonyms
var. lancifolium H. St. John & F.A. Warren[FNA5, HC, HC2]
wild buckwheat
1 synonym
var. leianthum Hook.[FNA5, HC, HC2]
smooth arrow-leaf wild buckwheat
0 synonyms
Eriogonum cusickii M.E. Jones[FNA5, HC, HC2]
Cusick's buckwheat
0 synonyms
Eriogonum douglasii Benth.[FNA5, HC, HC2]
Douglas's buckwheat
0 synonyms
var. douglasii[FNA5, HC, HC2]
Douglas' buckwheat
1 synonym
Eriogonum elatum Douglas ex Benth.[FNA5, HC, HC2]
rush buckwheat, tall buckwheat
0 synonyms
var. elatum[FNA5, HC2]
tall buckwheat
0 synonyms
Eriogonum flavum Nutt.[FNA5, HC, HC2]
yellow buckwheat
0 synonyms
var. flavum[FNA5, HC, HC2]
 
2 synonyms
var. piperi (Greene) M.E. Jones[FNA5, HC, HC2]
Piper's buckwheat, yellow buckwheat
2 synonyms
Eriogonum heracleoides Nutt.[FNA5, HC, HC2]
bractless parsnip-flowered wild buckwheat, parsnip-flowered buckwheat, parsnip-flowered eriogonum
6 synonyms
Eriogonum inerme (S. Watson) Jeps.[FNA5, HC2]
unarmed wild buckwheat
0 synonyms
var. inerme[FNA5, HC2]
 
0 synonyms
Eriogonum maculatum A. Heller[FNA5, HC, HC2]
spotted buckwheat
3 synonyms
Eriogonum mancum Rydb.[FNA5, HC, HC2]
imperfect wild buckwheat
0 synonyms
Eriogonum marifolium Torr. & A. Gray[FNA5, HC, HC2]
marum-leaf wild buckwheat, mountain buckwheat
0 synonyms
var. marifolium[FNA5, HC2]
marum-leaf wild buckwheat, mountain buckwheat
1 synonym
Eriogonum microtheca Nutt.[FNA5, HC, HC2]
slender buckwheat
1 synonym
var. laxiflorum Hook.[FNA5, HC, HC2]
Great Basin slender buckwheat, Great Basin wild buckwheat
4 synonyms
var. microtheca[FNA5, HC, HC2]
 
2 synonyms
var. simpsonii (Benth.) Reveal[FNA5, HC2]
 
1 synonym
Eriogonum niveum Douglas ex Benth.[FNA5, HC, HC2]
snow buckwheat
2 synonyms
Eriogonum nudum Douglas ex Benth.[FNA5, HC, HC2]
bare-stem buckwheat, naked buckwheat
0 synonyms
var. nudum[FNA5, HC2]
barestem buckwheat, naked buckwheat
1 synonym
var. oblongifolium S. Watson[FNA5, HC2]
Harford's wild buckwheat
0 synonyms
Eriogonum ovalifolium Nutt.[FNA5, HC, HC2]
cushion buckwheat, oval-leaved eriogonum
0 synonyms
var. depressum Blank.[FNA5, HC, HC2]
dwarf cushion wild buckwheat
0 synonyms
var. nivale (Canby ex Coville) M.E. Jones[FNA5, HC, HC2]
Sierra cushion buckwheat
2 synonyms
var. ovalifolium[FNA5, HC, HC2]
cushion wild buckwheat
2 synonyms
var. pansum Reveal[FNA5, HC2]
branched cushion wild buckwheat
0 synonyms
var. purpureum (Nutt.) Durand[FNA5, HC2]
purple cushion wild buckwheat
6 synonyms
Eriogonum pauciflorum Pursh[FNA5, HC, HC2]
few-flowered buckwheat
0 synonyms
var. pauciflorum[HC, HC2]
 
0 synonyms
Eriogonum prociduum Reveal[FNA5, HC2]
prostrate wild buckwheat
0 synonyms
Eriogonum pyrolifolium Hook.[FNA5, HC, HC2]
alpine buckwheat, oarleaf buckwheat, Shasta wild buckwheat
3 synonyms
Eriogonum scopulorum Reveal[FNA5, HC2]
cliff wild buckwheat
0 synonyms
Eriogonum soliceps Reveal & Björk[FNA5, HC2]
Railroad Canyon wild buckwheat
0 synonyms
Eriogonum spergulinum A. Gray[FNA5, HC, HC2]
spurry buckwheat
0 synonyms
var. reddingianum (M.E. Jones) J.T. Howell[FNA5, HC, HC2]
 
0 synonyms
Eriogonum sphaerocephalum Douglas ex Benth.[FNA5, HC, HC2]
rock buckwheat, round-headed eriogonum
0 synonyms
var. fasciculifolium (A. Nelson) S. Stokes[FNA5, HC2]
 
1 synonym
var. halimioides (Gand.) S. Stokes[FNA5, HC, HC2]
rock buckwheat
2 synonyms
var. sphaerocephalum[FNA5, HC, HC2]
rock buckwheat
1 synonym
var. sublineare (S. Stokes) Reveal[FNA5, HC2]
scabland wild buckwheat
2 synonyms
Eriogonum strictum Benth.[FNA5, HC, HC2]
strict buckwheat
0 synonyms
var. anserinum (Greene) S. Stokes[FNA5, HC, HC2]
Goose Lake wild buckwheat
5 synonyms
var. proliferum (Torr. & A. Gray) C.L. Hitchc.[FNA5, HC, HC2]
strict buckwheat
5 synonyms
var. strictum[FNA5, HC2]
strict buckwheat
2 synonyms
Eriogonum thymoides Benth.[FNA5, HC, HC2]
thyme buckwheat, thyme-leaf wild buckwheat
2 synonyms
Eriogonum umbellatum Torr.[FNA5, HC, HC2]
sulfur buckwheat, sulfurflower
0 synonyms
var. aureum (Gand.) Reveal[FNA5, HC2]
golden sulfur flower
1 synonym
var. desereticum Reveal[FNA5, HC2]
deseret sulfur flower
0 synonyms
var. devestivum Reveal[FNA5, HC2]
emperor's sulfur flower
0 synonyms
var. dichrocephalum Gand.[FNA5, HC2]
bicolor sulfur flower
0 synonyms
var. ellipticum (Nutt.) Reveal[FNA5, HC2]
starry sulfur flower
4 synonyms
var. haussknechtii (Dammer) M.E. Jones[FNA5, HC2]
Haussknecht's sulfur flower
4 synonyms
var. hypoleium (Piper) C.L. Hitchc.[FNA5, HC, HC2]
Kittitas sulfur flower
1 synonym
var. majus Hook.[FNA5, HC2]
subalpine sulfur flower
4 synonyms
var. sandbergii Reveal[FNA5, HC2]
Sandberg's sulfur flower
0 synonyms
var. stragulum Reveal[FNA5, HC2]
spreading sulfur flower
0 synonyms
var. umbellatum[FNA5, HC, HC2]
common sulphur flowering
1 synonym
Eriogonum vimineum Douglas ex Benth.[FNA5, HC, HC2]
broom buckwheat
4 synonyms
Eriogonum watsonii Torr. & A. Gray[FNA5, HC, HC2]
Watson's buckwheat
0 synonyms
Fagopyrum esculentum Moench[FNA5, HC2]
garden buckwheat
3 synonyms
Fallopia baldschuanica (Regel) Holub[FNA5, HC2]
Bukhara fleeceflower, Chinese fleecevine, mile-a-minute vine
4 synonyms
Fallopia ×bohemica (Chrtek & Chrtková) J.P. Bailey[FNA5, HC2]
hybrid knotweed
2 synonyms
Fallopia convolvulus (L.) Á. Löve[FNA5, HC2]
black bindweed, climbing bindweed, ivy bindweed
6 synonyms
Fallopia japonica (Houtt.) Ronse Decr.[FNA5, HC2]
itadori knotweed
3 synonyms
var. japonica[FNA5, HC2]
Japanese knotweed
0 synonyms
Fallopia sachalinensis (F. Schmidt) Ronse Decr.[FNA5, HC2]
giant knotweed
1 synonym
Koenigia davisiae (W.H.Brewer ex A.Gray) T.M.Schust. & Reveal[WTU]
Newberry's fleeceflower
7 synonyms
Koenigia phytolaccifolia (Meisn. ex Small) T.M.Schust. & Reveal[WTU]
alpine fleeceflower
7 synonyms
Oxyria digyna (L.) Hill[FNA5, HC, HC2]
mountain-sorrel
1 synonym
Oxytheca dendroidea Nutt.[FNA5, HC2]
treelike puncture-bract
1 synonym
ssp. dendroidea[FNA5, HC2, JPM]
treeline puncturebract
0 synonyms
Persicaria amphibia (L.) Gray[FNA5, HC2]
water smartweed
6 synonyms
Persicaria hydropiper (L.) Spach[FNA5, HC2]
smartweed, mild water-pepper
2 synonyms
Persicaria hydropiperoides (Michx.) Small[FNA5, HC2]
water pepper, swamp smartweed
13 synonyms
Persicaria lapathifolia (L.) Gray[FNA5, HC2]
dock-leaf smartweed, pale smartweed, willow weed
8 synonyms
Persicaria longiseta (Bruijn) Kitag.[FNA5, HC2]
bristly lady's thumb
0 synonyms
Persicaria maculosa Gray[FNA5, HC2]
heartweed, lady's-thumb, spotted lady's-thumb, redshank
1 synonym
Persicaria minor (Huds.) Opiz[FNA5, HC2]
small waterpepper
0 synonyms
Persicaria nepalensis (Meisn.) H. Gross[FNA5, HC2]
Nepal knotweed
0 synonyms
Persicaria orientalis (L.) Spach[FNA5, HC2]
Kiss-me-over-the-garden-gate, princess-feather
1 synonym
Persicaria pensylvanica (L.) M. Gómez[FNA5]
 
0 synonyms
Persicaria perfoliata (L.) H. Gross[FNA5, HC2]
 
0 synonyms
Persicaria punctata (Elliott) Small[FNA5, HC2]
dotted knotweed, dotted smartweed, water smartweed
5 synonyms
Persicaria sagittata (L.) H. Gross[FNA5, HC2]
arrow-vine, arrow-leaved tearthumb
0 synonyms
Persicaria wallichii Greuter & Burdet[FNA5, HC2]
garden knotweed
5 synonyms
var. wallichii[FNA5, HC2]
garden knotweed, Himalayan knotweed
0 synonyms
Polygonum achoreum S.F. Blake[FNA5, HC, HC2]
Blake's knotweed
1 synonym
Polygonum austiniae Greene[FNA5, HC, HC2]
Austin's knotweed
2 synonyms
Polygonum aviculare L.[FNA5, HC, HC2]
common knotweed
0 synonyms
ssp. aviculare[FNA5, HC2]
common knotweed, yard knotweed
6 synonyms
ssp. buxiforme (Small) Costea & Tardif[FNA5, HC2]
American knotweed, prairie knotweed
3 synonyms
ssp. depressum (Meisn.) Arcang.[FNA5, HC2]
common knotweed, oval-leaf knotweed
9 synonyms
ssp. neglectum (Besser) Arcang.[FNA5, HC2]
narrow-leaf knotweed
3 synonyms
Polygonum californicum Meisn.[FNA5, HC, HC2]
California knotweed
2 synonyms
Polygonum cascadense W.H. Baker[FNA5, HC, HC2]
Cascade knotweed
0 synonyms
Polygonum douglasii Greene[FNA5, HC, HC2]
Douglas' knotweed, Douglas's knotweed
4 synonyms
Polygonum engelmannii Greene[FNA5, HC, HC2]
Engelmann's knotweed
0 synonyms
Polygonum erectum L.[FNA5, HC, HC2]
erect knotweed
1 synonym
Polygonum fowleri B.L. Rob.[FNA5, HC, HC2]
Fowler's knotweed
0 synonyms
ssp. fowleri[FNA5, HC2]
Fowler's knotweed
1 synonym
Polygonum gabrielae Costea & Tardif[HC2]
Gabriela's knotweed
0 synonyms
Polygonum heterosepalum M. Peck & Ownbey[FNA5, HC, HC2]
dwarf desert knotweed
0 synonyms
Polygonum majus (Meisn.) Piper[FNA5, HC, HC2]
Palouse knotweed, wiry knotweed
2 synonyms
Polygonum minimum S. Watson[FNA5, HC, HC2]
leafy dwarf knotweed, zigzag knotweed
1 synonym
Polygonum nuttallii Small[FNA5, HC, HC2]
Nuttall's knotweed
2 synonyms
Polygonum paronychia Cham. & Schltdl.[FNA5, HC, HC2]
beach knotweed, black knotweed
0 synonyms
Polygonum parryi Greene[FNA5, HC, HC2]
Parry's knotweed, prickly knotweed
0 synonyms
Polygonum patulum M. Bieb.[FNA5, HC2]
 
0 synonyms
Polygonum plebeium R. Br.[FNA5, HC2]
Asian knotweed
0 synonyms
Polygonum polycnemoides Jaub. & Spach[HC, HC2]
 
0 synonyms
Polygonum polygaloides Meisn.[FNA5, HC, HC2]
white-margined knotweed
0 synonyms
ssp. confertiflorum (Nutt. ex Piper) J.C. Hickman[FNA5, HC2]
close-flowered knotweed
3 synonyms
ssp. esotericum (L.C. Wheeler) J.C. Hickman[FNA5, HC2]
Modoc County knotweed
0 synonyms
ssp. kelloggii (Greene) J.C. Hickman[FNA5, HC2]
white-margin knotweed
3 synonyms
ssp. polygaloides[FNA5, HC2]
pokeweed fleeceflower, white-margined knotweed
1 synonym
Polygonum ramosissimum Michx.[FNA5, HC, HC2, JPM]
branched knotweed
0 synonyms
ssp. prolificum (Small) Costea & Tardif[FNA5, HC2]
proliferous knotweed
4 synonyms
ssp. ramosissimum[FNA5, HC2]
bushy knotweed
7 synonyms
Polygonum sawatchense Small[FNA5, HC, HC2]
Sawatch knotweed
0 synonyms
ssp. oblivium Costea & Tardif[FNA5, HC2]
sublime knotweed
0 synonyms
ssp. sawatchense[FNA5, HC2]
Sawatch knotweed
4 synonyms
Polygonum spergulariiforme Meisn. ex Small[FNA5, HC2]
fall knotweed, spurry knotweed
2 synonyms
Rheum rhabarbarum L.[FNA5]
rhubarb
0 synonyms
Rumex acetosa L.[FNA5, HC, HC2]
alpine sorrel, common sorrel, garden sorrel, Lapland sorrel
0 synonyms
ssp. acetosa[HC2, ILBC4]
garden sorrel
2 synonyms
ssp. lapponicus Hiitonen[HC2]
alpine sorrel, Lapland sorrel
1 synonym
Rumex acetosella L.[FNA5, HC, HC2]
common sheep sorrel
4 synonyms
Rumex britannica L.[FNA5]
 
0 synonyms
Rumex conglomeratus Murray[FNA5, HC, HC2]
clustered dock, sharp dock
1 synonym
Rumex crispus L.[FNA5, HC, HC2]
curly dock, sour dock
2 synonyms
Rumex dentatus L.[FNA5, HC, HC2]
toothed dock
0 synonyms
Rumex hydrolapathum Huds.[HC2]
 
0 synonyms
Rumex longifolius DC.[FNA5]
 
0 synonyms
ssp. fueginus (Phil.) Hultén[HC2]
American golden dock, Tierra del Fuego dock
1 synonym
Rumex obtusifolius L.[FNA5, HC, HC2]
bitter dock
2 synonyms
Rumex occidentalis S. Watson[FNA5, HC, HC2]
western dock
10 synonyms
var. occidentalis[HC, HC2]
western dock
0 synonyms
Rumex patientia L.[FNA5, HC, HC2]
patience dock
3 synonyms
Rumex paucifolius Nutt.[FNA5, HC, HC2]
alpine sheep sorrel, alpine sorrel, mountain sorrel
8 synonyms
Rumex persicarioides L.[FNA5, HC, HC2]
seashore dock, yellow dock
0 synonyms
Rumex pulcher L.[FNA5, HC, HC2]
fiddle dock
0 synonyms
Rumex salicifolius Weinm.[FNA5, HC, HC2]
willow dock
0 synonyms
var. angustivalvis Danser[HC, HC2]
western willow dock
1 synonym
var. denticulatus Torr.[HC2]
California willow dock
2 synonyms
var. lacustris (Greene) J.C. Hickman[HC2]
lake willow dock
1 synonym
var. transitorius (Rech. f. ) J.C. Hickman[HC2, KZ99]
narrow-leaved dock, Pacific willow dock
1 synonym
var. triangulivalvis (Danser) J.C. Hickman[HC, HC2, JPM]
triangular-valved dock, white willow dock
2 synonyms
var. utahensis (Rech. f.) Reveal[HC2]
Utah willow dock
1 synonym
Rumex sanguineus L.[FNA5, HC, HC2]
red-vein dock
3 synonyms
Rumex stenophyllus Ledeb.[FNA5, HC2]
narrow-leaved dock, narrowleaf dock
4 synonyms
Rumex venosus Pursh[FNA5, HC, HC2]
veiny dock, winged dock
0 synonyms
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