| County | Township | Location | Institution | Year | Month | Day | 
| York | York | Barn Point, near the entrance to Cape Neddick River Harbor, York, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 4 | 23 | 
| York | York | Barn Point, mouth of the Cape Neddick River/ Harbor, York, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 4 | 23 | 
| York | Ogunquit | Ogunquit Beach, Ogunquit, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 4 | 23 | 
| Washington | Machiasport | Starboard Cove, Machias Bay, Machiasport, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 4 | 17 | 
| Hancock | Bar Harbor | Hadley Point, off of Route 3, Bar Harbor, Desert Narrows, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 4 | 16 | 
| Hancock | Bar Harbor | Hadley Point, off of Rt. 3, Bar Harbor, Bar Harbor, Desert Narrow, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 4 | 16 | 
| York | York | Barn Point, mouth of the Cape Neddick River/Harbor, York, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 4 | 2 | 
| Washington | Jonesport | Sawyer Cove Boat Ramp, Jonesport, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 4 | 2 | 
| Sagadahoc | Phippsburg | Head Beach, end of Small Point Road, Phippsburg, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 3 | 28 | 
| Hancock | Winter Harbor | Winter Harbor, at Route 186, boat ramp near Sand Cove, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 3 | 26 | 
| Hancock | Winter Harbor | at Rt. 186/ boat ramp near Sand Cove, Winter Harbor, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 3 | 26 | 
| Hancock | Mount Desert | Seal Harbor, Mount Desert, Mount Desert Island, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 3 | 25 | 
| Cumberland | Scarborough | Prout's Neck, Scarborough, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1995 | 3 | 24 | 
| Hancock | Brooksville | Cape Rosier, ME | Brown University (BRU) | 1901 | 7 | 7 | 
| Hancock | Brooksville | Cape Rosier | Michigan State University (MSC) | 1901 | 7 | 7 | 
| Hancock | Brooksville | Cape Rosier | The New York Botanical Garden (NY) | 1901 | 7 | 7 | 
| Hancock | Brooksville | Cape Rosier, on shells, in fronds of Ralfsia Borneti Kuckuck | The New York Botanical Garden (NY) | 1901 | 7 | 7 | 
| Hancock | Brooksville | Cape Rosier | University of Michigan (MICH) | 1901 | 7 | 7 | 
| Hancock | Brooksville | Cape Rosier, ME | Yale University Herbarium (YPM-YU) | 1901 | 7 | 7 | 
| Hancock | Brooksville | Cape Rosier | Miami University (MU) | 0 | 0 | 0 |