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Woodsia ilvensis (L.) R. Br.

6 photos.
This is the "rusty cliff fern" also known as the "rusty Woodsia" or "oblong Woodsia".
It hybridizes with Woodsia alpina.

ITIS Taxonomic Serial No. 17741


1.  May 22, 2011.  Several clusters of plants surrounding a rock.

 

 

 

 

 

 

 

 


2.  May 22, 2011.  A cluster of plants
with stems from a previous year visible
in the foreground. Leaves are just turning
green.

3.  May 22, 2011.  Closer view of another
cluster.




4.  May 22, 2011.  Stem with the undersurface"
of the leaf visible, showing the hairlike
indusia which protect the spores


5.  May 22, 2011.  Similar to photo 4 but the
indusia are more highly developed. Note the
scales on the rachis.


6.  May 22, 2011.  A leaf with both the upper
and lower surfaces of the pinnae visible.

All photos taken on the SW side of the
mountain identified by USGS as Eagle Summit.
Latitude: N 65° 28' 49.454"
Longitude: W 145° 23' 53.810"
Altitude: 1097.96 m.