Plant Search Results
  33 Matching records.
Searching for: genus: Polygonum
Click on the Scientific Name to see a Taxon Report.
Scientific Name Common NameStatus Lifeform

Polygonum argyrocoleon

silversheath knotweed, silver sheath knotweed, Persian knotweed not native Annual herb
Polygonum argyrocoleon
© 2011 Steve Matson
Polygonum argyrocoleon
© 2011 Steve Matson

Polygonum austiniae
JM93:  Polygonum douglasii ssp. austiniae

Rebecca austin's knotweed native Annual herb
no photo

Polygonum aviculare

prostrate knotweed not native Annual, Perennial herb
Polygonum aviculare
© 2006 Steven Thorsted
Polygonum aviculare
© 2008 Keir Morse

Polygonum aviculare ssp. aviculare

Prostrate knotweed not native Annual, Perennial herb
Polygonum aviculare ssp. aviculare
© 2006 Adonis (Don) Tate
Polygonum aviculare ssp. aviculare
© 2006 Adonis (Don) Tate

Polygonum aviculare ssp. buxiforme

Prostrate knotweed not native Annual, Perennial herb
no photo

Polygonum aviculare ssp. depressum
JM93:  Polygonum arenastrum

prostrate knotweed not native Annual, Perennial herb
Polygonum aviculare ssp. depressum
© 2009 Barry Breckling
Polygonum aviculare ssp. depressum
© 2009 Barry Breckling

Polygonum aviculare ssp. neglectum

Prostrate knotweed not native Annual, Perennial herb
no photo

Polygonum aviculare ssp. rurivagum

Prostrate knotweed not native Annual, Perennial herb
Polygonum aviculare ssp. rurivagum
© 2008 Doreen L. Smith

Polygonum bidwelliae

Bidwell's knotweed native
RARE SPECIES
Annual herb
Polygonum bidwelliae
© 2010 George W. Hartwell
Polygonum bidwelliae
© 2010 George W. Hartwell

Polygonum bolanderi

Bolander's knotweed, Bolander's polygonum native Perennial herb
Polygonum bolanderi
© 2008 John Dittes
Polygonum bolanderi
© 2008 John Dittes
Polygonum bolanderi
© 2008 John Dittes

Polygonum californicum

California knotweed native Annual herb
Polygonum californicum
© 2004 Steve Matson
Polygonum californicum
© 2004 Steve Matson

Polygonum douglasii

Douglas' knotweed native Annual herb
Polygonum douglasii
© 2003 Michael Charters
Polygonum douglasii
© 2009 Barry Breckling

Polygonum fowleri

Fowler's knotweed native Annual herb
no photo

Polygonum fowleri ssp. fowleri

Fowler knotweed native Annual herb
no photo

Polygonum hickmanii

Hickman's knotweed native
RARE SPECIES
Annual herb
Polygonum hickmanii
© 2006 California Department of Fish and Game
Polygonum hickmanii
© 2006 California Department of Fish and Game

Polygonum majus
JM93:  Polygonum douglasii ssp. majus

Large douglas' knotweed native Annual herb
Polygonum majus
© 2008 Keir Morse
Polygonum majus
© 2008 Keir Morse

Polygonum marinense

Marin knotweed native
RARE SPECIES
Annual herb
Polygonum marinense
© 2001 Doreen L. Smith
Polygonum marinense
© 2005 Doreen L. Smith

Polygonum minimum

broadleaf knotweed, little mountain knotweed, Leafy Dwarf Knotweed native Annual herb
Polygonum minimum
© 2009 Neal Kramer
Polygonum minimum
© 2008 Steve Matson

Polygonum multiflorum

tuber fleeceflower not native Vine
Polygonum multiflorum
© 2001 CDFA
Polygonum multiflorum
© 2001 CDFA

Polygonum paronychia

beach knotweed, Dune Knotweed native Perennial herb
Polygonum paronychia
© 2009 Thomas Stoughton
Polygonum paronychia
© 2007 Steve Matson

Polygonum parryi

Parry's knotweed native Annual herb
Polygonum parryi
© 1998 Dean Wm. Taylor

Polygonum polygaloides

milkwort knotweed native Annual herb
Polygonum polygaloides
© 2009 Keir Morse
Polygonum polygaloides
© 2006 Debra Valov

Polygonum polygaloides ssp. confertiflorum

fruitleaf knotweed, dense knotweed native Annual herb
Polygonum polygaloides ssp. confertiflorum
© 2008 Keir Morse
Polygonum polygaloides ssp. confertiflorum
© 2008 Keir Morse

Polygonum polygaloides ssp. esotericum

whitemargin knotweed, Modoc County knotweed native
RARE SPECIES
Annual herb
Polygonum polygaloides ssp. esotericum
© 2013 Jake Ruygt
Polygonum polygaloides ssp. esotericum
© 2000 Robert E. Preston, Ph.D.

Polygonum polygaloides ssp. kelloggii

Kellogg's knotweed native Annual herb
Polygonum polygaloides ssp. kelloggii
© 2009 Keir Morse
Polygonum polygaloides ssp. kelloggii
© 2005 Steve Matson

Polygonum ramosissimum

bushy knotweed, yellow knotweed not native Annual herb
Polygonum ramosissimum
© 2006 Luigi Rignanese
Polygonum ramosissimum
© 2006 Luigi Rignanese

Polygonum ramosissimum ssp. prolificum
JM93:  Polygonum prolificum

Bushy knotweed not native Annual herb
no photo

Polygonum ramosissimum ssp. ramosissimum

Yellow knotweed native Annual herb
no photo

Polygonum sawatchense

Knotweed native Annual herb
Polygonum sawatchense
© 2009 Barry Breckling
Polygonum sawatchense
© 2009 Barry Breckling

Polygonum sawatchense ssp. oblivium

Knotweed native Annual, Perennial herb
Polygonum sawatchense ssp. oblivium
© 2012 Dean Wm. Taylor. Ph. D.

Polygonum sawatchense ssp. sawatchense

  native Annual, Perennial herb
Polygonum sawatchense ssp. sawatchense
© 2009 Barry Breckling
Polygonum sawatchense ssp. sawatchense
© 2009 Barry Breckling

Polygonum shastense

Shasta knotweed native Perennial herb
Polygonum shastense
© 2003 Penn Martin II
Polygonum shastense
© 2006 Steve Matson

Polygonum spergulariiforme
JM93:  Polygonum douglasii ssp. spergulariiforme

Spurry knotweed native Annual herb
Polygonum spergulariiforme
© 2008 Sierra Pacific Industries
Polygonum spergulariiforme
© 2008 Sierra Pacific Industries

    Suggested Citation
    Calflora: Information on California plants for education, research and conservation. [web application]. 2014. Berkeley, California:
    The Calflora Database [a non-profit organization].
    Available: http://www.calflora.org/   (Accessed: Sep 02, 2014).

    The information on this page comes from diverse sources. None of the links are sponsored.

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