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Achillea alpina L.
Achillea sibirica Ledeb.
8 photos
The "Siberian yarrow, ITIS lists no varieties or subspecies.  It differs from A. millefolium by having
shorter ray flowers and a leaf which is pinatifid to a lesser degree.

ITIS Taxonomic Serial No. 780142


1.  Early August.  One of the many pollinators which visit this species.


2. Early August. Same as above but with an additional visitor

 

 

 

 

 

 

 

 


5 .  Late May.  Both species of Achillea
are common roadside plants.


6.  Late June.  This plant found in a mined
area is small considering the time of year.
Note the red leaves which are also present
in photo 7.  The relatively narrow mid-vein
region and degree of pinnatifidity indicate
that this may be millefolium rather than
sibirica.

7.  Early July.  The leaf is pinnatifid to
a greater degree at the end


8. Early July A. sibirica on the left
and A. millefolia on the right.


9.  Early June.  The remains of last year's
growth.



10.  Early October.  The yarrows are
sturdy plants and the dead plant will often
be found the following year as seen in
photo 9.

Photos 3 and 4 transfered
to A. millefolium