Prairie and Field Wildflowers of Winnebago County

This is a comprehensive guide to the prairie and field wildflowers of Winnebago County. Please contact Andrea Wallace at andrea@seversondells.org if you would like to add a species or think a change is appropriate.

All 136

velvetleaf ¹
Abutilon theophrasti

common yarrow ²
Achillea millefolium

Actinomeris alternifolia ³
Verbesina alternifolia

giant ragweed ⁴
Ambrosia trifida

meadow anemone ⁵
Anemone canadensis

Cylindrical Thimbleweed ⁶
Anemone cylindrica

purple-stemmed angelica ⁷
Angelica atropurpurea

Field Pussytoes ⁸
Antennaria neglecta

American groundnut ⁹
Apios americana

lesser burdock ¹⁰
Arctium minus

Arenaria stricta ¹¹
Sabulina michauxii

swamp milkweed ¹²
Asclepias incarnata

common milkweed ¹³
Asclepias syriaca

whorled milkweed ¹⁴
Asclepias verticillata

wild asparagus ¹⁵
Asparagus officinalis

Aster azureus ¹⁶
Symphyotrichum oolentangiense

Aster novae-angliae ¹⁶
Symphyotrichum novae-angliae

Aster pilosus ¹⁷
Symphyotrichum pilosum

large-flowered false foxglove ¹⁸
Aureolaria grandiflora

bitter wintercress ¹⁹
Barbarea vulgaris

Nodding Beggarticks ²⁰
Bidens cernua

Brown Knapweed ²¹
Centaurea jacea

Common Lamb's-quarters ²²
Chenopodium album

Woodland Goosefoot ²³
Chenopodium standleyanum

Chrysanthemum leucanthemum ²⁴
Leucanthemum vulgare

water hemlock ²⁵
Cicuta maculata

creeping thistle ²⁶
Cirsium arvense

field thistle ¹⁶
Cirsium discolor

bull thistle ²⁷
Cirsium vulgare

bastard toadflax ²⁸
Comandra umbellata

wild carrot ²⁹
Daucus carota

showy tick-trefoil ³⁰
Desmodium canadense

Illinois tick-trefoil ³¹
Desmodium illinoense

Dodecatheon meadia ³²
Primula meadia

fringed willowherb ³³
Epilobium ciliatum

annual fleabane ³⁴
Erigeron annuus

Philadelphia fleabane ³⁵
Erigeron philadelphicus

robin's-plantain ³⁶
Erigeron pulchellus

daisy fleabane ³⁵
Erigeron strigosus

common boneset ³⁷
Eupatorium perfoliatum

Fragaria vesca var. americana
Fragaria vesca americana

Virginia strawberry ³⁸
Fragaria virginiana

Gaura biennis ³⁹
Oenothera gaura

Gnaphalium obtusifolium ⁴⁰
Pseudognaphalium obtusifolium

common sneezeweed ⁴¹
Helenium autumnale

Heracleum lanatum ⁴²
Heracleum maximum

flower of an hour ⁴³
Hibiscus trionum

Hieracium aurantiacum ⁴⁴
Pilosella aurantiaca

common St. John's-wort ⁴⁵
Hypericum perforatum

spotted St. John's wort ³⁷
Hypericum punctatum

Canada wild lettuce ⁴⁶
Lactuca canadensis

Upright Pinweed
Lechea stricta

common motherwort ¹⁹
Leonurus cardiaca

field peppergrass ⁴⁷
Lepidium campestre

round-headed bush clover ⁷
Lespedeza capitata

Michigan lily ¹⁴
Lilium michiganense

common toadflax ⁴⁸
Linaria vulgaris

hoary puccoon ⁴⁹
Lithospermum canescens

Indian tobacco ⁵⁰
Lobelia inflata

great blue lobelia ⁷
Lobelia siphilitica

pale-spiked lobelia ¹⁴
Lobelia spicata

Lychnis alba ⁵¹
Silene latifolia alba

northern bugleweed ¹¹
Lycopus uniflorus

whorled loosestrife ⁵²
Lysimachia quadrifolia

Winged Loosestrife ⁵³
Lythrum alatum

German Chamomile ⁵⁴
Matricaria chamomilla

Matricaria matricarioides ⁵⁵
Matricaria discoidea

black medick ⁴⁶
Medicago lupulina

alfalfa ⁵⁶
Medicago sativa

Melilotus alba ⁵⁷
Melilotus albus

corn mint ⁵⁸
Mentha arvensis

wild bergamot ⁵⁹
Monarda fistulosa

northern evening-primrose ³⁵
Oenothera parviflora

slender yellow woodsorrel ⁶⁰
Oxalis dillenii

upright yellow woodsorrel ⁶¹
Oxalis stricta

violet woodsorrel ⁶²
Oxalis violacea

wild parsnip ⁶
Pastinaca sativa

Virginia groundcherry ²⁵
Physalis virginiana

American Plantain ⁶³
Plantago rugelii

Seneca snakeroot ⁶
Polygala senega

Polygonum amphibium ⁶⁴
Persicaria amphibia

Polygonum pensylvanicum ⁶⁵
Persicaria pensylvanica

Polygonum punctatum ⁶⁶
Persicaria punctata

rough cinquefoil ⁶⁷
Potentilla norvegica

sulphur cinquefoil ⁶⁸
Potentilla recta

Prenanthes alba ⁶⁹
Nabalus albus

Virginia mountain mint ⁷⁰
Pycnanthemum virginianum

Early Buttercup ⁷¹
Ranunculus fascicularis

Northern Yellow-cress ⁷²
Rorippa islandica

black-eyed Susan ⁷³
Rudbeckia hirta

Brown-eyed Susan ⁷⁴
Rudbeckia triloba

Sheep's sorrel ⁷⁵
Rumex acetosella

curled dock ⁷⁶
Rumex crispus

common soapwort ¹⁹
Saponaria officinalis

Snowy Campion ⁶
Silene nivea

cup plant ³⁵
Silphium perfoliatum

water parsnip ⁷⁷
Sium suave

late goldenrod ⁷⁸
Solidago altissima

Canada goldenrod ⁷⁹
Solidago canadensis

giant goldenrod ⁶⁸
Solidago gigantea

Edited by Andrea Wallace, some rights reserved (CC BY-SA)

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Prairie and Field Wildflowers of Winnebago County

velvetleaf 1 Abutilon theophrasti

common yarrow 2 Achillea millefolium

Actinomeris alternifolia 3 Verbesina alternifolia

giant ragweed 4 Ambrosia trifida

meadow anemone 5 Anemone canadensis

Cylindrical Thimbleweed 6 Anemone cylindrica

purple-stemmed angelica 7 Angelica atropurpurea

Field Pussytoes 8 Antennaria neglecta

American groundnut 9 Apios americana

lesser burdock 10 Arctium minus

Arenaria stricta 11 Sabulina michauxii

swamp milkweed 12 Asclepias incarnata

common milkweed 13 Asclepias syriaca

whorled milkweed 14 Asclepias verticillata

wild asparagus 15 Asparagus officinalis

Aster azureus 16 Symphyotrichum oolentangiense

Aster novae-angliae 16 Symphyotrichum novae-angliae

Aster pilosus 17 Symphyotrichum pilosum

large-flowered false foxglove 18 Aureolaria grandiflora

bitter wintercress 19 Barbarea vulgaris

Nodding Beggarticks 20 Bidens cernua

Brown Knapweed 21 Centaurea jacea

Common Lamb's-quarters 22 Chenopodium album

Woodland Goosefoot 23 Chenopodium standleyanum

Chrysanthemum leucanthemum 24 Leucanthemum vulgare

water hemlock 25 Cicuta maculata

creeping thistle 26 Cirsium arvense

field thistle 16 Cirsium discolor

bull thistle 27 Cirsium vulgare

bastard toadflax 28 Comandra umbellata

wild carrot 29 Daucus carota

showy tick-trefoil 30 Desmodium canadense

Illinois tick-trefoil 31 Desmodium illinoense

Dodecatheon meadia 32 Primula meadia

fringed willowherb 33 Epilobium ciliatum

annual fleabane 34 Erigeron annuus

Philadelphia fleabane 35 Erigeron philadelphicus

robin's-plantain 36 Erigeron pulchellus

daisy fleabane 35 Erigeron strigosus

common boneset 37 Eupatorium perfoliatum

Fragaria vesca var. americana Fragaria vesca americana

Virginia strawberry 38 Fragaria virginiana

Gaura biennis 39 Oenothera gaura

Gnaphalium obtusifolium 40 Pseudognaphalium obtusifolium

common sneezeweed 41 Helenium autumnale

Heracleum lanatum 42 Heracleum maximum

flower of an hour 43 Hibiscus trionum

Hieracium aurantiacum 44 Pilosella aurantiaca

common St. John's-wort 45 Hypericum perforatum

spotted St. John's wort 37 Hypericum punctatum

Canada wild lettuce 46 Lactuca canadensis

Upright Pinweed Lechea stricta

common motherwort 19 Leonurus cardiaca

field peppergrass 47 Lepidium campestre

round-headed bush clover 7 Lespedeza capitata

Michigan lily 14 Lilium michiganense

common toadflax 48 Linaria vulgaris

hoary puccoon 49 Lithospermum canescens

Indian tobacco 50 Lobelia inflata

great blue lobelia 7 Lobelia siphilitica

pale-spiked lobelia 14 Lobelia spicata

Lychnis alba 51 Silene latifolia alba

northern bugleweed 11 Lycopus uniflorus

whorled loosestrife 52 Lysimachia quadrifolia

Winged Loosestrife 53 Lythrum alatum

German Chamomile 54 Matricaria chamomilla

Matricaria matricarioides 55 Matricaria discoidea

black medick 46 Medicago lupulina

alfalfa 56 Medicago sativa

Melilotus alba 57 Melilotus albus

corn mint 58 Mentha arvensis

wild bergamot 59 Monarda fistulosa

northern evening-primrose 35 Oenothera parviflora

slender yellow woodsorrel 60 Oxalis dillenii

upright yellow woodsorrel 61 Oxalis stricta

violet woodsorrel 62 Oxalis violacea

wild parsnip 6 Pastinaca sativa

Virginia groundcherry 25 Physalis virginiana

American Plantain 63 Plantago rugelii