
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.
Comments
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.
An exceptionally beautiful milkweed that likes damp areas, but easily adapts to drier conditions; these were blooming in an open field in Schenley Park.
For a description of the species, see the Asclepias incarnata reference page.
A foreign invader that likes damp, shady spots, this plant can be found in abundance in the stream valleys in Schenley Park.
For a description of the species, see the Aegopodium podagraria reference page.
Sometimes mistaken for Queen Anne’s Lace, to which it is not related; Yarrow is a composite, meaning that each of those little flowers in the bunch is itself a head of multiple flowers. This plant was blooming in an open field in Schenley Park.
For a description of the species, see the Achillea millefolium reference page.