Green Spleenwort

The British ferns, or, Coloured figures and descriptions with the needful analyses of the fructification and venation of the ferns of Great Britain and Ireland London :Lovell Reeve,1861. biodiversitylibrary.org/page/51658812

Deutschlands flora in abbildungen nach der natur Nurnberg :Gedruckt auf kosten des verfassers,1798-[1862] biodiversitylibrary.org/page/43602123

Die Alpenpflanzen nach der Natur gemalt /. Prag :F. Tempsky,1879-1884.. biodiversitylibrary.org/page/39676253

Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.

Description: Asplenium viride. Date:. Source: http://fine-art-prints-store.com/product_info.php?manufacturers_id=43&products_id=803. Author: Edward Joseph Lowe (1825-1900). Permission (Reusing this file): Public domain.