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Preissia quadrata (Scop.) Nees

5 photos.
A worldwide species known as the "narrow mushroom-headed liverwort".

ITIS Taxonomic Serial No. 15581


1.  June 12, 2009.  Several plants among rock scree.

 

 

 

 

 

 

 


2.  June 12, 2009.  Close-up of some of the
plants in photo 1.



3.  June 16, 2011.  a portion of a round
cluster of plants.



4.  June 16, 2011.  Closer view of the cluster
photo 3.  Unlike Marchantia polymorpha,
only the archegonia (female structures) are
raised on stalks above the thalli.

5.  June 16, 2011.  Similar to photo 5.
However, the archegonia have been removed
to show the thalli.

Photos 1 and 2 taken on the hillside above
the right limit of Harrison creek between
Squaw creek and Bottom Dollar creek.
Latitude: N 65° 22' 19.045"
Longitude: W 144° 51' 22.628"
Altitude: 742.18 m.

Photos 3-5 taken south of Central
65°  33.84' N,  144° 48.46' W
Elev. 950 ft.