Upper side pinna of Polystichum acrostichoides

Licence: 
Creative Commons Licence
Keywords: 
Fern (Image keywords), Pinna (Image keywords), Polystichum acrostichoides (Image keywords), Margin (Image keywords), Edges (Image keywords), smooth (Image keywords)
Description: 

Upper side pinna of  Polystichum acrostichoides based on F. B. Matos et al. 2258 from Zofnass Family Preserve, Eastern loop, Westchester County, New York. Note that the surface is smooth on the upper side and edge is bristle-tipped with teeth. 

Creator: 
C. Matos
Taxonomic name: 
Polystichum acrostichoides (Michx.) Schott (Zofnass Family Preserve)
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith