Polygonum ramosissimum Michx.
bushy knotweed
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Click on the image below to enlarge it and download a high-resolution
TIFF file.
Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 663. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. Usage Requirements.
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Images:
Polygonum ramosissimum Michx.
See all the Polygonum thumbnails at the PLANTS Gallery
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Distribution:
Polygonum ramosissimum Michx.
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See U.S. county distributions (when available) by clicking on the map or the linked states below:
USA (AK, AR, AZ, CA, CO, CT, DC, DE, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, WA, WI, WV, WY), CAN (AB, BC, MB, NB, NS, NT, ON, PE, QC, SK) |
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Related Taxa:
Polygonum ramosissimum Michx.
View
33 genera in Polygonaceae,
80 species in Polygonum
or click below on a thumbnail map or name for species profiles.
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Native
Introduced
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Classification:
Polygonum ramosissimum Michx.
Click on a scientific name below to expand it in the PLANTS
Classification Report.
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Threatened and Endangered Information:
Polygonum ramosissimum Michx.
This plant and the related entities and synonyms italicized and indented below are 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.
| Maryland: |
| bushy knotweed |
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Endangered, Extirpated |
| New Hampshire: |
| Polygonum exsertum
[=PORAR] |
| exserted knotweed |
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Threatened |
| Polygonum prolificum
[=PORAP] |
| prolific knotweed |
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Threatened |
| Pennsylvania: |
| bushy knotweed |
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Extirpated |
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U.S. Weed Information:
Polygonum ramosissimum Michx.
bushy knotweed
tall knotweed
This plant can be weedy or invasive according to the authoritative sources noted below. This plant
may be known by one or more common names in different
places, and some are listed above. Click on an acronym
to view each weed list, or click here for a
composite list of Weeds of the U.S.
| NE&GP |
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Stubbendieck, J., G.Y. Friisoe, & M.R. Bolick.
1994.
Weeds of Nebraska and the Great Plains.
Nebraska Department of Agriculture, Bureau of Plant Industry.
Lincoln, Nebraska.
589pp.
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Wetland Indicator Status:
Polygonum ramosissimum Michx.
| Nat. Ind. |
Reg. 1 |
Reg. 2 |
Reg. 3 |
Reg. 4 |
Reg. 5 |
Reg. 6 |
Reg. 7 |
Reg. 8 |
Reg. 9 |
Reg. 0 |
Reg. A |
Reg. C |
Reg. H |
| FACU-,FACW |
FAC |
FACU- |
FAC- |
FACU |
FAC |
FACW |
FAC |
FACU |
FAC- |
FACU* |
FACU |
NO |
NO |
Interpreting Wetland Indicator Status
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More Accounts and Images:
Polygonum ramosissimum Michx.
View species account and distribution map from Flora of North America (FNA).
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 20921.
View species account and distribution map from Jepson Interchange (University of California - Berkeley).
View species account from Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN).
View species account from Native American Ethnobotany (University of Michigan - Dearborn).
View species account and photographs from University of Wisconsin - Stevens Point Freckmann Herbarium.
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