For a more
detailed listing of Wissahickon Creek area plants, please
visit
the Pennsylvania Flora Database,
part of the Pennsylvania Flora Project,
which is administered by the Botany Department at the
Morris Arboretum.
note: species are arranged
within categories alphabetically by Latin name
Annuals
giant ragweed (Ambrosia trifida)
lamb's quarters (Chenopodium album)
dodder (Cuscuta gronovii)
Venus' looking-glass (Triodanis perfoliata)
Perennials
milkweed species (Asclepias spp.)
daisy fleabane (Erigeron sp.)
Joe-Pye weed (Eupatorium spp.)
cleavers (Galium sp.)
blue flag (Iris versicolor)
phlox (Phlox sp.)
tear-thumb (Polygonum sagittarium)
black-eyed susan (Rudbeckia hirta)
horse-nettle (Solanum carolinense)
goldenrod species (Solidago spp.)
New England aster (Symphyotrichum novae-angliae)
New York aster (Symphyotrichum novi-belgii)
New York ironweed (Vernonia noveboracensis)
speedwell (Veronica officinalis)