Delaware Wildflowers • Scientific names
Deparia acrostichoides
(Athyrium thelypterioides)
Silvery False SpleenwortWoodsiaceae — Lady fern family
Native
Sterile frond
Fertile frond
Underside of three fertile pinnae
White Clay Creek State Park -- Thompson Station RoadSeptember 2011
Two pinna segments, eight sori on each.
A single sorus, about 1.5mm long. The cluster of sprangia is partly covered by the indusium.
September 2011
Sterile frond
Middle Run Valley Natural AreaMay 2012
Fertile frond lit from behind, showing shadows of the sori.
Middle Run Valley Natural AreaSeptember 2014
Flint Woods
April 2017
Search Google • Delaware • USDA
Photos copyright David G. Smith
Information from the Delaware Flora Checklist used with author's permission.