Ascophyllum nodosum
Knotted wrack
[An article has not been written yet.]
4/24/2021 · Green Point, Kennebec Estuary Land Trust, West Bath, Maine 
7/31/2025 · Schiller Center for Coastal Studies, Orr’s Island, Maine 
7/17/2010 · Mackworth Island, Falmouth, Maine 
ID is uncertain 
7/31/2025 · Schiller Center for Coastal Studies, Orr’s Island, Maine · ≈ 1½ × 1′ (48 × 32 cm) 
8/2/2008 · Bar Harbor, Maine · ≈ 1½ × 1′ (52 × 35 cm) 
7/17/2010 · Mackworth Island, Falmouth, Maine ID is uncertain 
6/16/2013 · Birch Point State Park, Owl’s Head, Maine · ≈ 12 × 8″ (31 × 21 cm) 
6/16/2013 · Birch Point State Park, Owl’s Head, Maine · ≈ 15 × 10″ (37 × 25 cm) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Division | Phaeophyta | |
| Class | Phaeophyceae | |
| Order | Fucales | |
| Family | Fucaceae | |
| Genus | Ascophyllum | |
| Species | nodosum | With conspicuous nodes |
Ascophyllum nodosum description by Thomas H. Kent, not updated.
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