Added 5/28/2019: box elder, Acer negundo.
Added 5/27/2019: poison ivy gall mite, Aculops rhois.
Added 5/27/2019: poison ivy, Toxicodendron radicans.
Added 5/10/2019: flowering dogwood, Cornus florida.
Added 1/20/2019: Black swallowtail, Papilio polyxenes.
Added 12/23/2018: Illinois bundleflower, Desmanthus illinoensis.
Added 12/20/2018: Eastern phoebe, Sayornis phoebe.
Added 11/25/2018: Eastern redcedar, Juniperus virginiana.
Added 11/17/2018: Wolf's milk slime mold, Lycogala epidendrum.
Added 7/31/2018: Dune thistle, Cirsium pitcheri.
Added 7/19/2018: Riverbank grape, Vitis riparia.
Added 5/1/2018: Mayapple, Podophyllum peltatum.
Added 5/1/2018: Mayapple rust, Allodus podophylli.
Added 4/21/2018: Double-crested cormorant, Phalacrocorax auritus.
Added 4/17/2018: Poison hemlock, Conium maculatum.
Added 4/13/2018: Dog vomit slime mold, Fuligo septica.
Added 12/20/2017: Common sowthistle, Sonchus oleraceus.
Added 12/20/2017: Prickly sowthistle, Sonchus asper.
Added 10/20/2017: Rough-leaved dogwood, Cornus drummondii.
Pictured above are the flowers of Asclepias tuberosa, known as "butterfly weed" or "butterfly milkweed." As its common names suggest, it is a favorite of monarchs and other butterflies, appearing in summer throughout the Midwest. It is easily identified by its gorgeous orange flowers and its alternating, narrowly oblong, pointed leaves.
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