General Information | |
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Symbol: | PODOD4 |
Group: | Dicot |
Family: | Polygonaceae |
Duration: |
Annual |
Growth Habit: |
Forb/herb |
Native Status: |
CAN N L48 N |
Data Source and Documentation |
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Native | ![]() |
Introduced | ![]() |
Both | ![]() |
Absent/Unreported |
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Native, No County Data | ![]() |
Introduced, No County Data | ![]() |
Both, No County Data |
Native Status: | ||||||||||||||||||||||||||||
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L48 | ![]() |
AK | ![]() |
HI | ![]() |
PR | ![]() |
VI | ![]() |
NAV | ![]() |
CAN | ![]() |
GL | ![]() |
SPM | ![]() |
NA | |||||||||
Images
Synonyms
Symbol | Scientific Name |
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POBUM | Polygonum buxiforme Small var. montanum (Small) R.J. Davis |
PODOL | Polygonum douglasii Greene var. latifolium (Engelm.) Greene |
POEM3 | Polygonum emaciatum A. Nelson |
POMO16 | Polygonum montanum Small |
Classification
Rank | Scientific Name and Common Name |
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Kingdom | Plantae – Plants |
Subkingdom | Tracheobionta – Vascular plants |
Superdivision | Spermatophyta – Seed plants |
Division | Magnoliophyta – Flowering plants |
Class | Magnoliopsida – Dicotyledons |
Subclass | Caryophyllidae |
Order | Polygonales |
Family | Polygonaceae – Buckwheat family |
Genus | Polygonum L. – knotweed |
Species | Polygonum douglasii Greene – Douglas' knotweed |
Subspecies | Polygonum douglasii Greene ssp. douglasii – Douglas' knotweed |
Subordinate Taxa
Legal Status
Threatened and Endangered Information: | |
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This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location. | |
Iowa
Douglas' knotweed
Endangered
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Maine
Douglas' knotweed
Threatened
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New Hampshire
Douglas' knotweed
Threatened
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New York
Douglas knotweed
Threatened
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Vermont
Douglas knotweed
Endangered
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Related Links
Wildlife
Food
Source | Large Mammals | Small Mammals | Water Birds | Terrestrial Birds |
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Cover
Source | Large Mammals | Small Mammals | Water Birds | Terrestrial Birds |
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Description of Values
Value Class | Food | Cover |
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