Dates of Publication 

 Hooker & Greville, Icones 



Filicum 



plates 1-60: 1827 

 » 61-120: 1828 



■ 121-140: 1829 



» 141-180: 1830 



« 181-200: 1830-31 



» 201-250: 1831 



Data from Boivin in Can 

 adian Field Naturalist 



64: 212-214. 1950. 



