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Achillea alpina L.
Achillea sibirica Ledeb.
11 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. August 8, 2007.  One of the many pollinators which visit this species.

2. August 8, 2007. Same as above but with an additional visitor









3. August 16, 2014. A. alpina, note the leaf
and the numerous small ray flowers.

4.  August 16, 2014.  A. alpina above with the
small ray flowers.  A. millefolium below with
the larger but less numerous ray flowers.

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 is millefolium rather than

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

8. August 16, 2014. A. sibirica on the bottom
and A. millefolium on the top.

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

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

Achillea alpina
11.  July 20, 2016.  Bee visiting.


Photos 1, 2, 6 and 7 near upper Half Dollar
65° 25.51' N, 144° 46.60' W
Elev. 2000 ft.


Photos 3, 4 and 8 taken along Upper Bottom
Dollar Road.
65°  25.2' N,   144°  48.5' W
Elev. 1900 ft.