56 PUBLIC PARKS OF IOWA 



Marsh elder (Iva xanthiifolia) (W) 



Perennial ragweed (Ambrosia psilostachya) (W) 



Purple cone flower (Echinacea angustifolia) (E & S) 



Black-eyed Susan (RudbecTcia hirta) (W) 



Prairie cone flower (Lepachys pinnata) (W) 



Prairie sun flower (Helianthus Maximiliani) (W) 



Coreopsis (Coreopsis palmata) 



Fetid marigold (Dysodia chrysanthemoides) (W) 



Western thistle (Cirsium canescens) (W) 



Rocky Mountain bee plant (Cleome Integrifolia) (W) 



Mallow (Callirhoe involucrata) (W) 



Flax (Linum rigidum) (W) 



Wild clover (Trifolium stoloniferum) (W) 



Dalea (Dalea laxiflora) (W) 



Missouri golden rod (Solidago Missouriensis) (W) 



Whorled milkweed (Asclepias tnberosa) 



Horse mint (Monarda fistulosa) (W & E) 



Pomm de Terre (Psoralea argophylla) (W) 



Silky Psoralea (Psoralea argophylla) (W) 



Hedge mustard (Sisymbrium canescens) (W & E) 



Field sorrel (Oxalis comiculata) (E) 



Prairie clover (Petalostemon violacewn} (W) 



Stemlecs Loco weed (Oxytropis Lambertii) (W) 



Partridge pea (Cassia Chamaecrista) (W & E) 



Snowberry (Symphoricarpos occidentalis) (W) 



Flea bane (Erigeron stringosus) (E & W) 



Sun flower (Helianthus rigidus) (W) 



Prairie dandelion (Troximon cuspidatum) (W) 



Wild four o'clock (Oxybaphus hirsutus) (W) 



Spurge (Euphorbia maculata) 



Spurge (Euphorbia hexagona) 



Spurge (Euphorbia heterophylla) 



Canadian blue grass (Poa compressa) (E) 



Prairie grass (Panicum Wilcoxianum) (W) 



Low blue joint (Andropogon scoparius) (W) 



Sand grass (Calamovilfa longifolia) 



Blue lettuce (Lactuca pulchella) (W) 



Lobelia (Lobelia spicata) (E) 



Whorled milk weed (Asclepias verticillata) (western form) 



Milk weed (Acerates viridiflora) 



Sweet William (Phlox pilosa) (E) 



Hairy puccoon (Lithospermum canenscens) (E) 



Puccoon (Lithospermum an gusti folium) (E) 



Beard tongue (Pentstemon grandiflorus) (E) 



Paint brush (Castilleia sessttiflora) 



Hoary vervain (Verbena stricta) (W) 



Mint (Hedeoma hispida) (W) 



Blue sage (Salvia lanceolata) (W) 



Skull cap (Scutellaria parvula) (W) 



Wild four o'clock (Oxybaphus angustifolius) (W) 



Slender door yard knot weed (Polygonum ramosissimum) (S) 



Snow on the mountain (Euphorbia marginata) (W) 



Flowering spurge (Euphorbia corollata) (E) 



Prairie willow (Salix humilis) (E) 



Spanish bayonet (Yucca angustifolia) (W) 



Camas plant (Zygadenus elegans) (W) 



Dropseed grass (Sporobolus cuspidatus) (W) 



Wild rye (Elymus robustus) (W) 



Larkspur (Delphinium azureum) (W) 



Western corydalis (Corydalis aurea var occidentalis) (W) 



Western wall flower (Erysimum asperum) (W) 



