Great Duckweed
Spirodela polyrhiza
Size: to 0.1"
Habitat: floating free at surface
Notes: Among the smallest seed plants; important food for many waterfowl.
- Type:
- artificial reef, light tower, USA
- built:
- 1962, US Coast Guard
- Specs:
- 87 ft tall
- Sunk:
- Friday January 8, 1993 - Shinnecock Artificial Reef
- Depth:
- GPS:
- 40°48.139' -72°28.526'
More: Brenton Reef Lighthouse ...