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Athyrium filix-femina var. angustum
http://pluto.njcc.com/~ret/Roosevelt/angufron.jpg
image, frond
Athyrium filix-femina var. angustum
http://pluto.njcc.com/~ret/Roosevelt/angupinn.jpg
image, pinna
Athyrium filix-femina var. angustum
http://pluto.njcc.com/~ret/Roosevelt/angupinl.jpg
image, pinnulae
Athyrium filix-femina var. angustum
http://pluto.njcc.com/~ret/Roosevelt/angusori.jpg
image, sori
Athyrium filix-femina var. angustum
http://pluto.njcc.com/~ret/Roosevelt/angusorx.jpg
image, sori magnified
Athyrium filix-femina var. asplenoides
http://pluto.njcc.com/~ret/Roosevelt/ladysori.jpg
image, sori