The balls of buff-colored flowers have a strong, sweet scent that attracts all kinds of insects. These plants were growing beside a parking lot in Carnegie.
For a description of the species, see the Asclepias syriaca reference page.
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Common Milkweed (Asclepias syriaca)
Photographed July 2. 
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Marsh Mallow (Althaea officinalis)
Photographed July 2. This is the plant from which marshmallows, the treats much beloved of pyromaniac Girl Scouts, were originally made. It is a European import uncommon in our area, but abundantly weedy near the railroad tracks in Carnegie.
For a description of the species, see the Althaea officinalis reference page.
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Forget-Me-Not (Myosotis scorpioides)
Photographed June 30. A beloved garden flower that loves damp areas, and can often be found in large drifts where streams cut through fields. These were blooming by a stream in Pine Township near Wexford.
OLYMPUS DIGITAL CAMERA For a description of the species, see the Myosotis scorpioides reference page.
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Canada Thistle (Cirsium arvense)
Photographed June 30 A much-hated weed, but the flowers are pretty, and the seedheads are delightful to finches.
We also have pictures of an unusual white form of Canada Thistle.
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Dayflower (Commelina communis)
Photographed June 13. A common weed imported from Asia, probably for its intensely blue flowers. These plants were growing by a wooden fence in Beechview.
For a description of the species, see the Commelina communis reference page.
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