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FAMILY
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SPECIES
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COMMON NAME
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ORIGIN
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COMMENTS
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| PTERIDOPHYTES (FERNS & ALLIES) | ||||
| Adiantaceae | Adiantum pedatum L. | Maidenhair fern | native | |
| Adiantaceae | Pellaea glabella Mett. ex Kuhn | Smooth cliff-brake | native | Infrequent, steep rock outcroppings, exposed rock in prarie/savanna area. |
| Aspleniaceae | Asplenium platyneuron (L.) Oakes ex DC. | Ebony spleenwort | native | Sandy open woods and thickets. |
| Aspleniaceae | Asplenium rhizophyllum L. [=Camptosorus rhizophyllus (L.) Link] | Walking fern | native | Very common on rocky bluffs and rock outcroppings. |
| Aspleniaceae | Athyrium filix-femina (L.) Roth var.angustum (Willd.) Moore | Northern lady fern | native | |
| Aspleniaceae | Athyrium pycnocarpon (Sprengel) Tidestrom [=Diplazium pycnocarpon (Sprengel) Broun] | Narrow-leaved spleenwort | native | Lower slopes of rocky bluffs in rich soil, also along streams. Proposed as a special concern species in 1998. |
| Aspleniaceae | Athyrium thelypterioides (Michx.) Desv. [=Deparia acrostichoides (Sw.) M. Kato ined.] | Silvery spleenwort | native | Rich, wooded slopes. |
| Aspleniaceae | Cystopteris bulbifera (L.) Bernh. | Bulblet bladder fern | native | Rocky bluffs and outcrops. |
| Aspleniaceae | Cystopteris protrusa (Weath.) Blasdell | Creeping fragile fern | native | |
| Aspleniaceae | Dryopteris carthusiana (Vill.) H.P. Fuchs [=D. spinulosa (O.F. Muell.) Watt] | Spinulose wood fern | native | Base of bluff with northern orientation, rich woodland. |
| Aspleniaceae | Dryopteris goldiana (Hooker) Gray | Goldies fern | native | |
| Aspleniaceae | Matteuccia struthiopteris (L.) Todaro var. pensyvanica (Willd.) Morton | Ostrich fern | native | Also growing in opening under electrical transmission lines. |
| Aspleniaceae | Onoclea sensibilis L. | Sensitive fern | native | |
| Aspleniaceae | Polystichum acrostichoides (Michx.) Schott | Christmas fern | native | |
| Dennstaedtiaceae | Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex Heller | Bracken fern | native | |
| Equisetaceae | Equisetum arvense L. | Common horsetail | native | Stream bank, sandy floodplain opening. |
| Equisetaceae | Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton | Scouring-rush | native | Alluvial woods, riparian. |
| Ophioglossaceae | Botrychium dissectum Sprengel f. dissectum | Dissected grape fern | native | Both forms usually found together. |
| Ophioglossaceae | Botrychium dissectum Sprengel f. obliquuum (Muhl.) Fern. | Oblique grape fern | native | Both forms usually found together. |
| Ophioglossaceae | Botrychium virginianum (L.) Sw. | Rattlesnake fern | native | |
| Osmundaceae | Osmunda claytoniana L. | Interrupted fern | native | Nice, large stands locally. |
| GYMNOSPERMS (CONIFERS) | ||||
| Cupressaceae | Juniperus virginiana L. | Red cedar | native | |
| Taxaceae | Taxus canadensis Marsh. | American yew | native | Limited to the rims of the larger bluffs where it is locally common. |
| ANGIOSPERMS: DICOTYLEDONS | ||||
| Acanthaceae | Ruellia humilis Nutt. | Wild petunia | native | Sandy open areas, not common. |
| Aceraceae | Acer negundo L. | Box elder | native | |
| Aceraceae | Acer saccharinum L. | Silver maple | native | Major componant of the floodplains. |
| Aceraceae | Acer saccharum Marsh. | Sugar maple | native | Common in rich uplands. |
| Aizoaceae | Mollugo verticillata L. | Carpet weed | Trop. Amer. | Moist, disturbed sand. |
| Amaranthaceae | Amaranthus rudis Sauer | Amaranth | native | Riparian (sandbars). |
| Amaranthaceae | Amaranthus tuberculatus (Moq.) Sauer | Water hemp | native | Riparian. |
| Anacardiaceae | Rhus glabra L. | Smooth sumac | native | Thickets in prairie/savanna area. |
| Anacardiaceae | Rhus typhina L. | Staghorn sumac | native | Sandy clearings along river under power lines. |
| Anacardiaceae | Toxicodendron radicans (L.) Kuntze | Poison ivy | native | It is possible that T. rydbergii also occurs at this site, but the species were not segregated. |
| Apiaceae | Chaerophyllum procumbens (L.) Crantz | Chervil | native | Occasional to abundant especially on alluvial soil. |
| Apiaceae | Cryptotaenia canadensis (L.) DC. | Honewort | native | |
| Apiaceae | Daucus carota L. | Queen Anne's lace | Eurasia | Rare. |
| Apiaceae | Osmorhiza claytonii (Michx.) C.B. Clarke | Sweet cicely | native | |
| Apiaceae | Osmorhiza longistylis (Torrey) DC. | Anise root | native | |
| Apiaceae | Sanicula canadensis L. | Black snakeroot | native | |
| Apiaceae | Sanicula gregaria Bickn. | Common snakeroot | native | |
| Apiaceae | Thaspium barbinode (Michx.) Nutt. | Meadow parsnip | native | Somewhat riparian. |
| Apocynaceae | Apocynum androsaemifolium L. | Spreading dogbane | native | Woodland openings and prairie/savanna area. |
| Apocynaceae | Apocynum cannabinum L. | Indian Hemp | native | |
| Araliaceae | Aralia racemosa L. | Spikenard | native | Infrequent, sheltered areas of northern oriented bluffs. |
| Araliaceae | Panax quinquefolia L. | Ginseng | native | Infrequent, rich soil below northern oriented bluffs. |
| Aristolochiaceae | Asarum canadense L. | Wild ginger | native | |
| Asclepiadaceae | Asclepias exaltata L. | Poke milkweed | native | Open upland woods. |
| Asclepiadaceae | Asclepias incarnata L. | Swamp milkweed | native | Rare, sandy alluvium. |
| Asclepiadaceae | Asclepias syriaca L. | Common milkweed | native | Open areas of light disturbance. |
| Asclepiadaceae | Asclepias verticillata L. | Whorled milkweed | native | Open areas, not common. |
| Asteraceae | Achillea millefolium L. | Yarrow | native | Sandy openings in woods, and pastured areas. |
| Asteraceae | Ambrosia artemisiifolia L. | Common ragweed | native | |
| Asteraceae | Ambrosia trifida L. | Giant ragweed | native | |
| Asteraceae | Antennaria plantaginifolia (L.) Richardson | Ladies' tobacco | native | Top of bluffs with southern exposure, savanna like areas, and pastured areas. |
| Asteraceae | Arctium minus Bernh. | Burdock | Eurasia | Open disturbed sandy soil, riparian.. |
| Asteraceae | Artemisia ludoviciana Nutt. incl. var. gnaphalodes (Nutt.) T&G | White sage | native | Generally found along river banks, and in clearings under high voltage power lines, the var. gnaphalodes however is confined to a sandy pastured area in the SE section. |
| Asteraceae | Aster cordifolius L. [=A.cordifolius L. var. sagittifolius (Wedem. ex Willd.) A.G. Jones] | Blue wood aster | native | Upland woods and bluffs. |
| Asteraceae | Aster ericoides L. | Heath aster | native | Woodland edge, dry soil. |
| Asteraceae | Aster lateriflorus (L.) Britton | Side-flowered aster | native | Woodland edge, dry soil. |
| Asteraceae | Aster oblongifolius Nutt. | Aromatic aster | native | Open woods, bluff with southern orientation. |
| Asteraceae | Aster ontarionis Wieg. | Ontario aster | native | Frequently seen on floodplain. |
| Asteraceae | Aster pilosus Willd. | Hairy aster | native | Sandy opening. |
| Asteraceae | Aster shortii Lindley | Short's aster | native | Bluffs. |
| Asteraceae | Bidens cernua L. | Bur marigold | native | Riparian. |
| Asteraceae | Bidens connata Muhl. ex Willd. | Beggar-ticks | native | Sandbars and mudflats. |
| Asteraceae | Bidens frondosa L. | Beggar-ticks | native | Riparian. |
| Asteraceae | Cacalia muhlenbergii (Sch.-Bip.) Fern. | Great indian plantain | native | |
| Asteraceae | Carduus nutans L. | Musk thistle | Europe | |
| Asteraceae | Cirsium altissimum (L.) Sprengel | Tall thistle | native | Open ground under electric transmission lines. |
| Asteraceae | Cirsium arvense (L.) Scop. | Canada thistle | Eurasia | Open ground under electric transmission lines. |
| Asteraceae | Cirsium discolor Muhl. ex Willd. | Field thistle | native | Open ground under electric transmission lines, old field. |
| Asteraceae | Cirsium vulgare (Savi) Tenore | Bull thistle | Eurasia | Open ground under electric transmission lines. |
| Asteraceae | Conza canadensis (L.) Cronq. | Horseweed | native | |
| Asteraceae | Erechtites hieracifolia (L.) Raf. ex DC. | Fireweed | native | Under power lines. |
| Asteraceae | Erigeron philadelphicus L. | Fleabane | native | Riparian. |
| Asteraceae | Erigeron pulchellus Michx. | Robin's plantain | native | Open, southern-oriented bluff, prairie/savanna area. Also pastured bluff. |
| Asteraceae | Erigeron strigosus Muhl. ex Willd. | Daisy fleabane | native | Openings |
| Asteraceae | Eupatorium altissimum L. | Tall thoroughwort | native | Sandy soil in clearing under power lines. |
| Asteraceae | Eupatorium purpureum L. | Purple joe-pye-weed | native | |
| Asteraceae | Eupatorium rugosum Houtt. | White snakeroot | native | |
| Asteraceae | Galinsoga quadriradiata Ruiz & Pavon | Quickweed | C&S. Amer. | Extremely disturbed soil. |
| Asteraceae | Gnaphalium obtusifolium L. | Everlasting | native | Sandy openings. |
| Asteraceae | Helenium autumnale L. | Sneezeweed | native | Riparian. |
| Asteraceae | Helianthus giganteus L. | Tall sunflower | native | Woodland edges. |
| Asteraceae | Helianthus grosseserratus Martens | Sawtooth sunflower | native | Sandy, alluvial opening. |
| Asteraceae | Helianthus strumosus L. | Pale-leaved sunflower | native | Woodland edges. |
| Asteraceae | Heliopsis helianthoides (L.) Sweet | Ox-eye, false sunflower | native | Prairie/savanna, openings in woodland. |
| Asteraceae | Krigia biflora (Walter) Blake | False dandelion | native | Open, southern-oriented bluff, prairie/savanna area. |
| Asteraceae | Lactuca biennis (Moench) Fern. | Tall blue lettuce | native | Rare in this part of state, specimen should have been secured. |
| Asteraceae | Lactuca canadensis L. | Tall lettuce | native | Clearings. |
| Asteraceae | Lactuca floridana (L.) Gaertner | Blue lettuce | native | Woodland edges. |
| Asteraceae | Ratibida pinnata (Vent.) Barnh. | Gray-headed coneflower | native | Prairie/savanna, Prairie relict. |
| Asteraceae | Rudbeckia hirta L. | Black-eyed Susan | native | Pastured openings in woodland, and prairie/savanna area. |
| Asteraceae | Rudbeckia laciniata L. | Tall coneflower | native | Alluvial soil. |
| Asteraceae | Rudbeckia triloba L. | Brown-eyed Susan | native | |
| Asteraceae | Senecio pauperculus Michx. | Prairie ragwort | native | Sandy opening in woods, former agricultural use highly probible. |
| Asteraceae | Silphium laciniatum L. | Compass plant | native | Relict prairie. |
| Asteraceae | Silphium perfoliatum L. | Cup plant | native | Alluvial soil |
| Asteraceae | Solidago canadensis L. var. canadensis | Tall goldenrod | native | Openings. |
| Asteraceae | Solidago flexicaulis L. | Zig-zag goldenrod | native | Bluffs and rich woods. |
| Asteraceae | Solidago gigantea Aiton | Smooth goldenrod | native | Woodland edge. |
| Asteraceae | Solidago ulmifolia Muhl. ex Willd. | Elm-leaved goldenrod | native | |
| Asteraceae | Sonchus oleraceus L. | Common sow thistle | Europe | Opening for electric transmission lines. |
| Asteraceae | Taraxacum officinale Weber | Dandelion | Eurasia | |
| Asteraceae | Veronia fasciculata Michx. | Smooth ironweed | native | Sandy pasture. |
| Balsaminaceae | Impatiens capensis Meerb. | Jewelweed | native | Riparian. |
| Balsaminaceae | Impatiens pallida Nutt. | Yellow jewel weed | native | |
| Berberidaceae | Caulophyllum thalictroides (L.) Michx. | Blue cohosh | native | Rich woodland, also under electric transmission line. |
| Berberidaceae | Podophyllum peltatum L. | Mayapple | native | |
| Betulaceae | Betula nigra L. | River birch | native | Riparian. |
| Betulaceae | Carpinus caroliniana Walter | Blue beech | native | Infrequent to locally common. |
| Betulaceae | Corylus americana Walter | Hazelnut | native | |
| Betulaceae | Ostrya virginiana (P. Miller) K. Koch | Ironwood | native | |
| Boraginaceae | Hackelia deflexa (Wahl.) Opiz | Stickseed | native | |
| Boraginaceae | Lithospermum caroliniense (Walter) MacM. | Hairy puccoon | native | Sandy, open pastures. |
| Boraginaceae | Onosmodium molle Michx. | False gromwell | native | Prairie/savanna area, rare. |
| Brassicaceae | Alliaria petiolata (Bieb.) Cavara & Grande | Garlic mustard | Europe | Most common along river, following alluvial soil inland. Although absent from some areas, on a whole very well established throughout Preserve. |
| Brassicaceae | Arabis glabra (L.) Bernh. | Tower mustard | native | Sandy pastured areas. |
| Brassicaceae | Arabis laevigata (Muhl. ex Willd.) Poiret | Rock cress | native | Frequently seen in areas of exposed bedrock, on outcrops of rock and shallow soil. |
| Brassicaceae | Arabis shortii (Fern.) Gl. | Rock cress | native | Frequently seen, rock bluffs and outcrops, alluvial soil. |
| Brassicaceae | Barbarea vulgaris R. Br. | Yellow rocket | Eurasia | Infrequent. |
| Brassicaceae | Cardamine penslyvanica Muhl. ex Willd. | Bitter cress | native | Riparian. |
| Brassicaceae | Dentatia laciniata Muhl. ex Willd. | Toothwort | native | |
| Brassicaceae | Hesperis matronalis L. | Dame's rocket | Eurasia | Quite frequent on edges of flood plain and some moist alluvial openings where it has established itself quite nicely.. |
| Brassicaceae | Lepidium campestre (L.) R. Br. | Field cress | Europe | Sandy pastured areas. |
| Brassicaceae | Lepidium virginicum L. | Poor-man's pepper | native | Along river bank. Sandy openings. |
| Brassicaceae | Rorippa palustris (L.) Besser | Yellow cress | native | Intermittent wet areas. |
| Brassicaceae | Sisymbrium altissimum L. | Tumble mustard | native | Disturbed sandy soil, undoubtably more common than noted. |
| Brassicaceae | Sisymbrium officinale (L.) Scop. | Hedge mustard | Eurasia | Opening under electric transmission lines. |
| Brassicaceae | Thlaspi arvense L. | Field penny cress | Europe | Rare on southern oriented bluff with disturbance. |
| Capparaceae | Polanisia dodecandra (L.) DC. | Clammy-weed | native | Disturbed sandy soil. |
| Campanulaceae | Campanula americana L. | Tall bellflower | native | |
| Campanulaceae | Campanula rotundifolia L. | Harebell | native | Crevices and tops of steep stone bluffs, also exposed rock in prairie/savanna area. |
| Campanulaceae | Lobelia inflata L. | Indian tobacco | native | Open ground under electric transmission lines. |
| Campanulaceae | Lobelia siphilitica L. | Great lobelia | native | Open ground under electric transmission lines. |
| Campanulaceae | Lobelia spicata Lam. | Pale-spike lobelia | native | Sandy pastures and prairie/savanna area. |
| Campanulaceae | Triodanis perfoliata (L.) Nieuw. | Venus' looking-glass | native | Open woods and clearings. |
| Caprifoliaceae | Lonicera dioca L. var.glabrescens (Rydb.) Butters | Wild honeysuckle | native | |
| Caprifoliaceae | Lonicera morrowii Gray | Morrow's honeysuckle | Japan | Edge of pastured woodland. |
| Caprifoliaceae | Lonicera prolifera (Kirchner) Rehder | Wild honeysuckle | native | |
| Caprifoliaceae | Lonicera tatarica L. | Tararica honeysuckle | Eurasia | This introduction is not as rampant here, as it sometimes is elsewhere. |
| Caprifoliaceae | Sambucus canadensis L. | Elderberry | native | |
| Caprifoliaceae | Triosteum aurantiacum Bickn. | Horse gentian | native | Open, southern-oriented bluff, and open woods. |
| Caryophyllaceae | Cerastium nutans Raf. | Nodding chickweed | native | Exposed hilltops and alluvial valleys. |
| Caryophyllaceae | Dianthus armeria L. | Deptford pink | Europe | Open areas in sandy soil. |
| Caryophyllaceae | Myosoton aquaticum Moench | Giant chickweed | Europe | |
| Caryophyllaceae | Saponaria officinalis L. | Bouncing bet | Eurasia cult. | Sandy, disturbed soil. |
| Caryophyllaceae | Silene antirrhina L. | Sleepy catchfly | Europe | Sandy old agr. area. |
| Caryophyllaceae | Silene pratensis (Rafn) Gren. & Godron [=Lychnis alba P. Miller] | White campion | Europe | Sandy pastured areas and openings, rock outcrops, infrequent. |
| Caryophyllaceae | Stellaria graminea L. | Common stitchwort | Europe | Quite common in floodplain pastures with no canopy, less common in woodland edge. |
| Caryophyllaceae | Stellaria media (L.) Vill. | Common chickweed | native | Areas disturbed by moving water |
| Celastraceae | Euonymus atropurpureus Jacq. | Wahoo | native | Upland woods and bluffs, likely more widespread than noted. |
| Chenopodiaceae | Chenopodium album L. | Lamb's quarters | Eurasia | Rock bluffs, sandy soil. |
| Chenopodiaceae | Chenopodium hybridum L. | Maple-leaved goosefoot | native | Open areas under electric transmission lines. |
| Convolvulaceae | Calystegia sepium (L.) R. Br. | Bindweed | native | Usually in moist open alluvial soil. |
| Convolvulaceae | Calystegia spithamaea (L.) Pursh | Low bindweed | native | Sandy soil of prairie/savanna area. Very common locally. |
| Convolvulaceae | Cuscuta cuspidata Engelm. | Dodder | native | Alluvial woods, growing on Aster ontarionis. |
| Convolvulaceae | Cuscuta gronovii Willd. | Common dodder | native | Alluvial woods, growing on Laportea canadensis. |
| Convolvulaceae | Cuscuta indecora Choisy | Dodder | native | Listed as special concern by Iowa DNR. Sandy soil on high river terrace. Growing on Solidago, Ambrosia trifida, etc. |
| Cornaceae | Cornus alternifolia L. f. | Alternate-leaved dogwood | native | |
| Cornaceae | Cornus drummondii C.A. Meyer | Rough-leaved dogwood | native | Alluvial ground along stream. |
| Cornaceae | Cornus foemina P. Miller ssp. racemosa (Lam.) J.S. Wilson | Gray dogwood | native | Woodland edges. |
| Cucurbitaceae | Echinocystis lobata (Michx.) T. & G. | Wild cucumber | native | Open areas under electric transmission lines and riparian. |
| Elaeagnaceae | Elaeagnus umbellata Thunb. | Autumn olive | e. Asia | Sandy open soil under power lines, bluff tops, woodland edges; infrequent. |
| Ericaceae | Monotropa uniflora L. | Indian pipe | native | Rich upland woods. |
| Ericaceae | Pyrola elliptica Nutt. | Shinleaf | native | North orientation on wooded ravine by prairie/savanna. |
| Euphorbiaceae | Acalypha rhomboidea Raf. | Three-seeded mercury | native | Riparian, sandbars. |
| Euphorbiaceae | Acalypha virginica L. | Three-seeded mercury | native | Bluff top. |
| Euphorbiaceae | Euphorbia corollata Engelm. | Flowering spurge | native | Sandy open ground, Prairie relict. |
| Euphorbiaceae | Euphorbia cyathophora Murray | Wild poinsettia | native | Sandy openings and river banks. |
| Euphorbiaceae | Euphorbia hexagona Nutt. ex Sprengel | Six-angled spurge | native | Sandy river banks. |
| Euphorbiaceae | Euphorbia maculata L. | spotted spurge | native | Sandy soil, river banks. |
| Fabaceae | Amorpha canescens Pursh | Leadplant | native | Relict prairie. |
| Fabaceae | Amphicarpaea bracteata (L.) Fern. | Hog peanut | native | |
| Fabaceae | Apios americana Medicus | Ground-nut | native | |
| Fabaceae | Desmodium canadense (L.) DC. | Showy tick-trefoil | native | |
| Fabaceae | Desmodium glutinosum (Muhl. ex Willd.) Wood | Pointed tick-trefoil | native | |
| Fabaceae | Gleditsia triacanthos L. | Honey locust | native | |
| Fabaceae | Lespedeza capitata Michx. | Round-headed bush clover | native | Sandy pastures and prairie/savanna area. |
| Fabaceae | Lotus corniculatus L. | Bird's-foot trefoil | Europe | Disturbed openings, pastures. |
| Fabaceae | Melilotus officinalis (L.) Pallas | Yellow sweet clover | Eurasia | Disturbed soil of river bank. |
| Fagaceae | Quercus alba L. | White oak | native | |
| Fagaceae | Quercus bicolor Willd. | Swamp white oak | native | Floodplain. |
| Fagaceae | Quercus borealis Michx. f. var. maxima (Marsh.) Ashe [=Quercus rubra L.] | |||