By: magic-gigapans
Image: Robin Rohrback, Mid-Atlantic Geo-Image Collection
License: Creative Commons Non Commercial ⧉

Uploaded: 1 May 2020
Last Updated: 20 May 2020

956 megapixels
39,452 x 24,236 pixels
131.5 in X 80.8 in at 300dpi
3,938 pixels per inch

Pennsylvanian-age sphenopsid Annularia (leaves in a ray pattern around the stem) in the upper right hand corner. The remaining plants are Mariopteris nervosa, a seed fern (not truly a fern but a seed plant). This specimen was collected from the St. Clair formation in Pennsylvania. Sample contribued by Lisa Williams. biology professor at Northern Virginia Community College.