County | Township | Location | Institution | Year | Month | Day |
York | York | York Harbor | Drexel University, Academy of Natural Sciences (PH) | 1908 | 8 | |
Hancock | Southwest Harbor | Sea Wall, Mount Desert Island, ME | New England Botanical Club (NEBC) | 1889 | 15 | 15 |
Hancock | Southwest Harbor | Sea Wall, Mount Desert Island, ME | Farlow Herbarium (Harvard University) (FH) | 1889 | 8 | 15 |
Hancock | Southwest Harbor | Sea Wall, Mt. Desert | The New York Botanical Garden (NY) | 1889 | 8 | 15 |
Cumberland | Portland | Peak's Island | The New York Botanical Garden (NY) | 1882 | 8 | 13 |
Penobscot | Bangor | Bangor, ME | Farlow Herbarium (Harvard University) (FH) | 1851 | 9 | 0 |
York | Kittery | Kittery Point, Kittery, ME | Farlow Herbarium (Harvard University) (FH) | 0 | | |
Unknown | UNKNOWN | Penobscot Bay | Field Museum of Natural History (F) | 0 | | |
Unknown | UNKNOWN | Penobscot Bay | The New York Botanical Garden (NY) | 0 | | |