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Species
Subarctic America
Polygonum arenastrum
Boreau
Common name(s)
Oval-leaf knotweed
10
Synonym(s)
15
Genus
Polygonum
Family
Polygonaceae
Flora
Subarctic America
124
observations
Summary
Map
Phenology
Altitudes
Trends
Top contributors / Top identifiers
Uses
External resources
Map
Phenology
Altitudes
Trends
Top contributors / Top identifiers
Uses
WEED
seed contaminant
External resources
Pl@ntNet data at GBIF
Pl@ntNet data at gbif.org
Download Pl@ntNet data at gbif.org
Pl@ntNet data at gbif.org API
Wikipedia
Polygonum arenastrum
Boreau
Summary
Flower
Leaf
Fruit
Bark
Habit
Other
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Flower
Nov 30, 2022
Public geolocation
Sep 20, 2023
Sep 11, 2023
Private geolocation
Sep 4, 2023
Jun 22, 2024
Public geolocation
Oct 18, 2022
Private geolocation
May 7, 2024
Public geolocation
Oct 6, 2023
Aug 25, 2023
Private geolocation
Aug 5, 2023
Public geolocation
Aug 4, 2023
Sep 24, 2021
Public geolocation
Sep 7, 2009
Public geolocation
Sep 20, 2023
Aug 26, 2023
Private geolocation
Sep 25, 2023
Public geolocation
Sep 25, 2023
Public geolocation
Oct 4, 2023
Private geolocation
Aug 26, 2023
Private geolocation
Sep 14, 2023
Private geolocation
Sep 14, 2023
Private geolocation
Oct 17, 2022
Sep 2, 2023
Aug 7, 2024
Dec 11, 2023
Public geolocation
Nov 9, 2023
Nov 9, 2023
Sep 1, 2022
Private geolocation
Sep 1, 2022
Private geolocation
Jul 13, 2023
Private geolocation
Sep 15, 2023
Private geolocation
Sep 15, 2023
Private geolocation
Jul 12, 2023
Public geolocation
Oct 16, 2023
Public geolocation
Dec 13, 2023
Private geolocation
Sep 20, 2023
Private geolocation
Sep 16, 2021
Private geolocation
Aug 29, 2023
Aug 29, 2023
Jul 5, 2022
Private geolocation
Sep 27, 2023
Jul 17, 2023
Private geolocation
Jul 25, 2023
Private geolocation
Leaf
Sep 20, 2023
Nov 30, 2022
Public geolocation
Sep 4, 2023
Jun 22, 2024
Public geolocation
Jun 8, 2023
Private geolocation
Oct 12, 2023
Public geolocation
Oct 18, 2022
Private geolocation
Oct 12, 2023
Public geolocation
May 7, 2024
Public geolocation
Oct 6, 2023
Aug 25, 2023
Private geolocation
Sep 22, 2023
Public geolocation
Sep 24, 2021
Public geolocation
Sep 7, 2009
Public geolocation
Oct 19, 2023
Sep 20, 2023
Jul 25, 2023
Private geolocation
Oct 12, 2023
Oct 21, 2023
Private geolocation
Aug 26, 2023
Private geolocation
Aug 26, 2023
Private geolocation
Oct 4, 2023
Private geolocation
Jul 18, 2016
Public geolocation
Aug 7, 2024
Sep 2, 2023
Dec 11, 2023
Public geolocation
Sep 1, 2024
Private geolocation
Aug 17, 2024
Oct 11, 2023
Private geolocation
Sep 15, 2023
Private geolocation
Jul 12, 2023
Private geolocation
Sep 17, 2023
Private geolocation
Sep 17, 2023
Private geolocation
Aug 9, 2023
Private geolocation
Jan 27, 2023
Sep 20, 2023
Private geolocation
Aug 29, 2023
Sep 27, 2023
Jul 25, 2023
Private geolocation
Jul 17, 2023
Private geolocation
Jul 25, 2023
Private geolocation
Fruit
May 7, 2024
Public geolocation
Bark
Aug 25, 2023
Private geolocation
Oct 4, 2023
Private geolocation
Sep 20, 2023
Private geolocation
Habit
Sep 20, 2023
Nov 30, 2022
Public geolocation
Nov 30, 2022
Public geolocation
May 7, 2024
Public geolocation
Sep 20, 2023
Oct 4, 2023
Private geolocation
Dec 11, 2023
Public geolocation
Oct 16, 2023
Public geolocation
Sep 20, 2023
Private geolocation
Aug 29, 2023
Other
Aug 25, 2023
Private geolocation
Aug 5, 2023
Public geolocation