Onoclea sensibilis gallery
Distinctive sori of this fern persist through winter
Sensitive Fern Gallery
Sori
Black Moshannon (Centre Co)
by PAEnflowered on 03/17/2012
Spring shoot
Scotia Barrens (Centre Co)
by Maria G. Pavlova on 04/12/2012
Emerging frond
North Park (Allegheny Co)
by Maria G. Pavlova on 04/27/2020
Last season sori
Black Moshannon (Centre Co)
by Maria G. Pavlova on 04/29/2025
Opening frond
Bradford Co
by Colin Gillette on 05/02/2022
Fiddlehead
Bradford Co
by Colin Gillette on 05/02/2022
Sori
Meadowgrounds lake (Fulton Co)
by Larry Granville on 05/07/2019
Fronds and sori
Mount Pisgah State Park (Bradford Co)
by Colin Gillette on 05/11/2018
Frond
Silver Valley Natural Area (Monroe Co)
by Paul Nale on 05/15/2025
Frond & pinnae
Scotia Barrens (Centre Co)
by PAEnflowered on 05/20/2013
Fertile fronds and habitat
Bald Eagle Preserve (Centre Co)
by Maria G. Pavlova on 05/24/2014
Sterile fronds by water
With mayapple leaves
Bald Eagle Preserve (Centre Co)
by Maria G. Pavlova on 05/24/2014
Young frond
Sometimes new frond generations come from dormant buds if the mature leaves got damaged.
Toftrees Woods (Centre Co)
by Maria G. Pavlova on 08/23/2021
In late season
Stone Valley (Huntingdon Co)
by Maria G. Pavlova on 10/06/2018
Withered frond and sori in late fall
Erie Co
by Colin Gillette on 11/18/2022
Winter sori
