Spiranthes cernua
Encyclopedia
Spiranthes cernua, commonly called the Nodding Ladies'-tresses, is a species of orchid occurring from eastern Canada
to the central and eastern United States
.
Eastern Canada
Eastern Canada is generally considered to be the region of Canada east of Manitoba, consisting of the following provinces:* New Brunswick* Newfoundland and Labrador* Nova Scotia* Ontario* Prince Edward Island* Quebec...
to the central and eastern United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
.