What plant is that?

Click on photo below to view larger image
Lizard's TailLizard Tail's leavesLizard Tail's flower head
Top left photo:Fredlyfish4, CC BY-SA 4.0 <https:
//creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons
Top right photo: David J. Stang, CC BY-SA 4.0<https://creativecommons.org/licenses/by-sa/
Bottom photo: Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA SCS. 1991.
Southern wetland flora: Field office guide to plant species. South National Technical Center,
Fort Worth, TX., Public domain, via Wikimedia Commons

The mystery plant for February 2021 is rare in RI. It is a herbaceous perennial with nodding spikes of white flowers. The flowers have white stamens and grow from 8-12 inches long. The flowers have no petals or sepals. The leaves are heart shaped and they are attached to the main stem by sheaths. The flowers bloom from mid-July to early September. The plant grows 2-4 feet high in swamps and streams from RI to Michigan south.

It’s. . .

Botanical Name:
  
Saururus cernuus
Common Name:
   Lizard’s Tail
Family:
   Sauraceae (Lizard's Tail family)
Habitat:
   Swamps and vernal streams