Polygonum glaucum — seaside knotweed — distribution by town in Massachusetts

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. MA — Middlesex — Cambridge [ 1897 ]
  3. MA — Barnstable — Brewster [ 1915 ]
  4. MA — Dukes — Tisbury [ 1911 ]
  5. MA — Dukes — Chilmark [ 1911 1916 1911 1902 1902 1916 1893 ]
  6. MA — Suffolk — Revere [ None ]
  7. MA — Worcester — Uxbridge [ None ]
  8. MA — Dukes — Oak Bluffs [ 1904 1904 ]
  9. MA — Barnstable — Bourne [ 1913 1885 ]
  10. MA — Falmouth [ 1894 ]
  11. MA — Dukes — Aquinnah [ 1897 1897 ]
  12. MA — Dukes — West Tisbury [ 1924 ]
  13. MA — Barnstable — BOURNE [ 1913 ]
  14. MA — Essex — LYNN [ None ]
  15. MA — Dukes — OAK BLUFFS [ 1897 ]
  16. MA — Suffolk — REVERE [ None ]
Historic and Recent
  1. MA — Nantucket — Nantucket [ 1984 1886 1965 1892 2003 1910 1910 1910 1910 1977 1885 1998 1987 1913 1928 1974 1965 2013 1902 1878 1959 2012 1911 1984 1980 1845 1965 1961 1985 1990 ] Verified: [ ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ]
  2. MA — Dukes — Edgartown [ 1901 1901 1901 1901 1901 1901 1901 1901 1901 1982 1901 1982 1972 2013 2020 ] Verified: [ ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ]
  3. MA — Barnstable — Falmouth [ 1881 1902 1912 1965 2004 1901 None ] Verified: [ ? ? ? ? ? ? ? ]
  4. MA — Dukes — Gosnold [ 1906 1990 1982 1927 1911 ] Verified: [ ? ? ? ? ? ]
Only Recent
  1. MA — Bristol — Fairhaven [ 1989 ] Verified: [ ? ]
  2. MA — AQUINNAH [ 2011 ] Verified: [ ? ]
  3. MA — Barnstable — CHATHAM [ 1983 ] Verified: [ ? ]
  4. MA — Dukes — CHILMARK [ 2010 ] Verified: [ ? ]
  5. MA — Bristol — DARTMOUTH [ 2013 ] Verified: [ ? ]
  6. MA — Dukes — EDGARTOWN [ 2015 ] Verified: [ ? ]
  7. MA — Bristol — FAIRHAVEN [ 2004 ] Verified: [ ? ]
  8. MA — Barnstable — FALMOUTH [ 2013 ] Verified: [ ? ]
  9. MA — Dukes — GOSNOLD [ 2014 ] Verified: [ ? ]
  10. MA — Nantucket — NANTUCKET [ 2016 ] Verified: [ ? ]
  11. MA — Dukes — WEST TISBURY [ 2015 ] Verified: [ ? ]
  12. MA — Falmouth [ 2011 2011 2011 2011 2011 2011 2011 2011 2012 2012 ] 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)