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Calflora |
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Searching for: | genus: Polygonum |
Click on the Scientific Name to see a Taxon Report. | |
Polygonum argyrocoleon | |||
Silver sheath knotweed
non-native
Annual herb |
![]() © 2019 Bob Sweatt |
![]() © 2020 Ron Vanderhoff |
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Polygonum austiniae | |||
Rebecca austin's knotweed
native
Annual herb |
![]() © 2019 Gerald Carr |
![]() © 2019 Gerald Carr |
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Polygonum aviculare | |||
Prostrate knotweed
non-native
Annual, Perennial herb |
![]() © 2016 John Doyen CalPhotos (UCB) |
![]() © 2008 Keir Morse CalPhotos (UCB) |
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Polygonum aviculare ssp. aviculare | |||
Prostrate knotweed
non-native
Annual, Perennial herb |
![]() © 2020 Ron Vanderhoff With Polygonum argyrocoleon LEFT. |
![]() © 2020 Ron Vanderhoff With Polygonum argyrocoleon LEFT. |
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Polygonum aviculare ssp. buxiforme | |||
Prostrate knotweed
non-native
Annual, Perennial herb |
no photo |
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Polygonum aviculare ssp. depressum | |||
Prostrate knotweed
non-native
Annual, Perennial herb |
![]() © 2016 Barbara Boethling |
![]() © 2009 Barry Breckling CalPhotos (UCB) |
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Polygonum aviculare ssp. neglectum | |||
Prostrate knotweed
non-native
Annual, Perennial herb |
no photo |
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Polygonum aviculare ssp. rurivagum | |||
Prostrate knotweed
non-native
Annual, Perennial herb |
![]() © 2008 Doreen L. Smith CalPhotos (UCB) |
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Polygonum bidwelliae | |||
Bidwell's knotweed
rare, native
Annual herb |
![]() © 2010 George W. Hartwell CalPhotos (UCB) |
![]() © 2019 David popp |
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Polygonum bolanderi | |||
Bolander's polygonum
native
Perennial herb |
![]() © 2008 John Dittes CalPhotos (UCB) |
![]() © 2015 Dana York CalPhotos (UCB) |
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Polygonum californicum | |||
California knotweed
native
Annual herb |
![]() © 2015 John Doyen CalPhotos (UCB) |
![]() © 2004 Steve Matson CalPhotos (UCB) |
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Polygonum douglasii | |||
Douglas' knotweed
native
Annual herb |
![]() © 2020 Bob Sweatt |
![]() © 2020 Bob Sweatt |
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Polygonum fowleri | |||
Fowler's knotweed
native
Annual herb |
![]() © 2015 Ryan Batten CalPhotos (UCB) |
![]() © © 2015 Ryan Batten CalPhotos (UCB) |
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Polygonum fowleri ssp. fowleri | |||
Fowler knotweed
native
Annual herb |
no photo |
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Polygonum hickmanii | |||
Hickman's knotweed
rare, native
Annual herb |
![]() © 2006 California Department of Fish and Game CalPhotos (UCB) |
![]() © 2006 California Department of Fish and Game CalPhotos (UCB) |
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Polygonum majus | |||
Large douglas' knotweed
native
Annual herb |
![]() © 2008 Keir Morse CalPhotos (UCB) |
![]() © 2008 Keir Morse CalPhotos (UCB) |
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Polygonum marinense | |||
Marin knotweed
rare, native
Annual herb |
![]() © 2013 Robert Sikora CalPhotos (UCB) |
![]() © 2001 Doreen L. Smith CalPhotos (UCB) |
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Polygonum minimum | |||
Little mountain knotweed
native
Annual herb |
![]() © 2009 Neal Kramer CalPhotos (UCB) |
![]() © 2008 Steve Matson CalPhotos (UCB) |
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Polygonum multiflorum | |||
Tuber fleeceflower
non-native
Vine |
![]() © 2001 CDFA CalPhotos (UCB) |
![]() © 2001 CDFA CalPhotos (UCB) |
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Polygonum paronychia | |||
Dune knotweed
native
Perennial herb |
![]() © 2020 Melissa Mooney |
![]() © 2014 James Gonsman |
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Polygonum parryi | |||
Parry's knotweed
native
Annual herb |
![]() © 2019 Belinda Lo CalPhotos (UCB) |
![]() © 2020 Belinda Lo CalPhotos (UCB) |
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Polygonum polygaloides | |||
Milkwort knotweed
native
Annual herb |
![]() © 2009 Keir Morse CalPhotos (UCB) |
![]() © 2008 Keir Morse CalPhotos (UCB) |
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Polygonum polygaloides ssp. confertiflorum | |||
Dense knotweed
native
Annual herb |
![]() © 2008 Keir Morse CalPhotos (UCB) |
![]() © 2008 Keir Morse CalPhotos (UCB) |
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Polygonum polygaloides ssp. esotericum | also called Polygonum esotericum | ||
Modoc county knotweed
rare, native
Annual herb |
![]() © 2013 Jake Ruygt CalPhotos (UCB) |
![]() © 2000 Robert E. Preston, Ph.D. CalPhotos (UCB) |
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Polygonum polygaloides ssp. kelloggii | |||
Kellogg's knotweed
native
Annual herb |
![]() © 2010 Steve Matson CalPhotos (UCB) |
![]() © 2019 Chico Hiking Association |
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Polygonum ramosissimum | |||
Yellow knotweed
non-native
Annual herb |
![]() © 2015 Daniel Boone CalPhotos (UCB) |
![]() © 2015 Daniel Boone CalPhotos (UCB) |
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Polygonum ramosissimum ssp. prolificum | |||
Bushy knotweed
non-native
Annual herb |
no photo |
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Polygonum ramosissimum ssp. ramosissimum | |||
Yellow knotweed
native
Annual herb |
no photo |
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Polygonum sawatchense | |||
Knotweed
native
Annual herb |
![]() © 2009 Barry Breckling CalPhotos (UCB) |
![]() © 2012 Dean Wm. Taylor. Ph. D. CalPhotos (UCB) |
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Polygonum sawatchense ssp. oblivium | |||
Knotweed
native
Annual, Perennial herb |
![]() © 2012 Dean Wm. Taylor. Ph. D. CalPhotos (UCB) |
![]() © 2019 Neal Kramer CalPhotos (UCB) |
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Polygonum sawatchense ssp. sawatchense | also called Polygonum douglasii ssp. johnstonii | ||
Knotweed
native
Annual, Perennial herb |
![]() © 2009 Barry Breckling CalPhotos (UCB) |
![]() © 2019 Susan McDougall |
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Polygonum shastense | |||
Shasta knotweed
native
Perennial herb |
![]() © 2020 Donald Burk |
![]() © 2020 Bob Sweatt |
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Polygonum spergulariiforme | |||
Spurry knotweed
native
Annual herb |
![]() © 2008 Sierra Pacific Industries CalPhotos (UCB) |
![]() © 2008 Sierra Pacific Industries CalPhotos (UCB) |
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