Dixon Waterfowl Refuge, Illinois, USA Mid-Late Summer Flowers of the Wet Prairie and Seep 1

Anna Braum, Vera Leopold, and Phoebe Thatcher – The Wetlands Initiative

Photos by: Gary Sullivan (1-12, 14,16), and Aaron Carlson (13). References: Hilty, J., Illinoiswildflowers.info; Wilhelm, G., and L. Rericha. 2017. Flora of the Chicago Region. © Keller Science Action Center, Field Museum [fieldguides.fieldmuseum.org] [919] version 1 5/2018

1 Asclepias incarnata 2 Chelone glabra 3 Cirsium muticum 4 Doellingeria umbellata Swamp milkweed: Pink flowers < 5 Turtlehead: Leaves sessile; square Fen thistle: No spines on floral bracts; Flat-top aster: Stems often purple or mm long. One of two wetland milkweed stems; host plant for the Baltimore leaf undersides green. Compare to white brown; leaves often hairy, margins species in Illinois. checkerspot butterfly. undersides and spines of C. discolor. smooth.

5 Eutrochium maculatum 6 Hasteola sauveolens 7 Helenium autumnale 8 Impatiens capensis Spotted Joe Pye weed: Purplish Sweet Indian plantain: Arrow- Sneezeweed: Stems are winged; rays Orange jewelweed: Translucent stems, usually hairy; flat-headed flower shaped leaves; spreading bracts at base of of flowers are notched. Compare to stems. Nectar spur on back of flowers. panicles. Compare to E. purpureum. flowerheads. Verbesina altnernifolia (wingstem). Attracts ruby-throated hummingbirds.

9 Liatris pycnostachya 10 Lobelia cardinalis 11 Lobelia siphilitica 12 Mimulus ringens Prairie blazingstar: Recurved Cardinal flower: Leaves usually Great blue lobelia: Leaves usually Monkey flower: Square, hairless bracts on flowerhead; compare with broadest at or below middle; leaf surface broadest above the middle; upper surface stems, leaves sessile. Flowers with long appressed bracts of L. spicata. often hairless. Flowers red. of leaves usually hairy. Flowers blue. stalks.

13 Pedicularis lanceolata 14 Physostegia virginiana 15 Verbena hastata 16 Vernonia fasciculata Fen betony: Leaves opposite or Obedient plant: Square stem, smooth Blue vervain: Square stems; violet Common ironweed: Hairless stems; subopposite; not deeply lobed. Stems leaves. Flowers can be moved to new flowers, more than 3 flower spikes. leaves 1 cm or less across–compare with smooth or mostly smooth. positions and will stay in place. Compare to V. stricta. larger leaves of V. gigantea.