Polygonum ramosissimum ssp. prolificum — productive yellow-flowered knotweed — distribution by town in Southern New England

Legend
— town in which taxon has been recorded only recently (in or after 1980)
— both recent and historic records
— only historic records (dated prior to 1980)
— doubtful or erroneous record
Sources
Records retrieved from CNH Portal, NHESP town records for rare plants, generic records (e.g., observations listed in the county floras), and salicicola photo records. Click on any town marker to see source(s) of pertaining record(s) coded as [CNH], [generic], [photo], or [NHESP]. In the list below, exclamation sign ('!') appended to years for verified records, and question mark ('?') for unverified.
Records Sorted by Category
Only Historic
  1. MA — Edgartown [ 1901 ]
  2. ME — Washington — Steuben [ 1927 ]
  3. ME — York — Kittery [ 1916 ]
  4. ME — York — York [ 1893 1896 1896 ]
  5. MA — Middlesex — Concord [ 1928 ]
  6. MA — Boston [ 1900 ]
  7. MA — Suffolk — Boston [ 1889 ]
  8. MA — Scituate [ 1897 1897 1897 1897 ]
  9. MA — Plymouth — Scituate [ 1897 ]
  10. MA — Bristol — Dighton [ 1915 1959 ]
  11. MA — Barnstable — Bourne [ 1914 0 0 ]
  12. MA — Barnstable — Dennis [ 1918 ]
  13. MA — Falmouth [ 1894 ]
  14. MA — Barnstable — Harwich [ 1918 ]
  15. MA — Yarmouth [ 1907 ]
  16. MA — Barnstable — Yarmouth [ 1916 1916 ]
  17. MA — Nantucket — Nantucket [ 1911 ]
  18. MA — Middlesex — Cambridge [ 1901 1901 1912 1903 ]
  19. MA — Dukes — Edgartown [ 1901 ]
  20. MA — Nantucket Co. — Nantucket [ None None None None None None ]
  21. MA — Dukes Co. — Edgartown [ None None ]
  22. MA — Suffolk Co. — Boston [ 1874 ]
  23. MA — Middlesex Co. — Cambridge [ None None ]
  24. MA — Bristol Co. — Dartmouth [ 1888 ]
  25. MA — Suffolk Co. — Revere [ 1900 None! None! ]
  26. MA — Barnstable Co. — Barnstable [ None ]
  27. MA — Essex Co. — Ipswich [ None! ]
  28. MA — Essex Co. — Nahant [ None ]
  29. MA — Suffolk — Revere [ 1884 ]
  30. MA — Bristol — Somerset [ 1967 ]
  31. MA — Barnstable — Barnstable [ 1934 1916 ]
  32. MA — Barnstable — Falmouth [ 1911 1977 ]
  33. MA — Dukes — Chilmark [ 1976 ]
  34. MA — Middlesex — Malden [ 1937 ]
  35. MA — Essex — Newbury [ 1913 ]
  36. MA — Middlesex — Medford [ 1938 ]
  37. MA — Spencer [ 1938 ]
  38. MA — Mendon [ 1938 ]
Historic and Recent
Only Recent
  1. MA — Rowley [ 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 ] Verified: [ ? ? ? ? ? ? ? ? ? ? ? ]
  2. MA — Newbury [ 2014 2014 ] Verified: [ ? ? ]
  3. MA — Hingham [ 2018 2018 ] Verified: [ ? ? ]
Unable to Map
(town name missing or non-standard or locality outside New England)

Generated May 12, 2024, 1:32 p.m. (America/New_York)