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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
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 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 |
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