Osmundaceae - royal fern family
[information to be added]

Maine is home to 3 species in 2 genera (hybrids excluded). If you know which species you have or are interested in learning about, click on the appropriate link from the species list below. Otherwise, to determine which genus your fern belongs to, refer to the table below the species list.

   Osmunda (2 species)
      Osmunda claytoniana - interrupted fern
      Osmunda regalis - royal fern
   Osmundastrum (1 species)
      Osmundastrum cinnamomeum - cinnamon fern

	fertile portion
Osmunda	on same leaf (frond) as sterile/photosynthetic portion
Osmundastrum	on separate leaf (frond) from sterile/photosynthetic leaves (fronds)

Osmunda ([?] fern)
[information to be added]

	location of fertile portion
O. claytoniana	in the middle of a leaf (frond), between sterile/photosynthetic portions
O. regalis	at tip of leaf (frond)

Osmunda claytoniana (interrupted fern) - [information to be added]
   
   (click on image to enlarge)

Osmunda regalis (royal fern) - [information to be added]
         
   (click on an image to enlarge)

Osmundastrum ([?] fern)
[information to be added]

Osmundastrum cinnamomeum (cinnamon fern) - [information to be added]
   
   (click on image to enlarge)

Note:
   1. Taxonomy and nomenclature follow Flora Novae Angliae by Arthur Haines (2011, Yale University Press, ISBN 978-0-300-17154-9).