Roadless Areas
Home/Species/ Shasta Knotweed

Polygonum shastense

Brewer ex Gray

Shasta Knotweed

G5Secure Found in 14 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.138950
Element CodePDPGN0L280
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderPolygonales
FamilyPolygonaceae
GenusPolygonum
Other Common Names
Shasta knotweed (EN)
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Review Date1990-01-16
Change Date1990-01-16
Ecology & Habitat
Other Nations (1)
United StatesNNR
ProvinceRankNative
NevadaS2Yes
CaliforniaSNRYes
OregonSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (14)
California (13)
AreaForestAcres
Carson - IcebergStanislaus National Forest56,430
Castle PeakTahoe National Forest14,974
Dinkey LakesSierra National Forest34,171
EbbettsHumboldt-Toiyabe National Forest255
Hall Natural AreaInyo National Forest5,236
Heart LakeLassen National Forest9,349
Mt. Shasta AShasta-Trinity National Forest676
Mt. Shasta BShasta-Trinity National Forest2,809
Onion SpringsLassen National Forest2,421
Raymond PeakEldorado National Forest2,518
Raymond PeakStanislaus National Forest3,646
Snow MountainLassen National Forest2,165
Tragedy - Elephants BackEldorado National Forest20,866
Nevada (1)
AreaForestAcres
Rose - GalenaHumboldt-Toiyabe National Forest3,711
References (3)
  1. Flora of North America Editorial Committee (FNA). 2005. Flora of North America north of Mexico. Vol. 5. Magnoliophyta: Caryophyllidae: Caryophyllales, Polygonales, and Plumbaginales. Oxford Univ. Press, New York. vii + 656 pp.
  2. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  3. Munz, P.A., with D.D. Keck. 1959. A California flora. Univ. California Press, Berkeley. 1681 pp.