Plants of Iowa
The plants most often spotted in Iowa, ranked by recent research-grade observations.
69,568
recent observations
50
species listed
50
plants
Naturalists have logged 69,568 research-grade observations across the 50 most-recorded species in Iowa. The most frequently seen is the common milkweed, with 3,782 recorded sightings.
Most-observed plants in Iowa
common milkweed
Asclepias syriaca
3,782 observations
tall bellflower
Campanulastrum americanum
2,235 observations · iNaturalist
wild bergamot
Monarda fistulosa
2,160 observations
Amur honeysuckle
Lonicera maackii
2,004 observations
ground-ivy
Glechoma hederacea
1,976 observations · iNaturalist
American pokeweed
Phytolacca americana
1,918 observations
garlic mustard
Alliaria petiolata
1,858 observations
Dutchman's breeches
Dicentra cucullaria
1,834 observations
white snakeroot
Ageratina altissima
1,798 observations
wild carrot
Daucus carota
1,727 observations
Red Clover
Trifolium pratense
1,698 observations
mayapple
Podophyllum peltatum
1,660 observations
bloodroot
Sanguinaria canadensis
1,660 observations
great mullein
Verbascum thapsus
1,635 observations
butterfly milkweed
Asclepias tuberosa
1,612 observations
hoary vervain
Verbena stricta
1,588 observations
partridge pea
Chamaecrista fasciculata
1,501 observations
dame's rocket
Hesperis matronalis
1,373 observations · iNaturalist
blue phlox
Phlox divaricata
1,368 observations
Virginia Springbeauty
Claytonia virginica
1,357 observations
grey-headed coneflower
Ratibida pinnata
1,350 observations
purple crownvetch
Securigera varia
1,350 observations · iNaturalist
black-eyed Susan
Rudbeckia hirta
1,348 observations
Jack-in-the-Pulpit
Arisaema triphyllum
1,347 observations
great blue lobelia
Lobelia siphilitica
1,326 observations
Carolina horsenettle
Solanum carolinense
1,310 observations
Virginia waterleaf
Hydrophyllum virginianum
1,294 observations
white clover
Trifolium repens
1,282 observations
Virginia bluebells
Mertensia virginica
1,248 observations
bird's-foot trefoil
Lotus corniculatus
1,245 observations · iNaturalist
giant ragweed
Ambrosia trifida
1,245 observations
red columbine
Aquilegia canadensis
1,157 observations
American germander
Teucrium canadense
1,130 observations · iNaturalist
black raspberry
Rubus occidentalis
1,110 observations
rattlesnake master
Eryngium yuccifolium
1,109 observations
cup plant
Silphium perfoliatum
1,050 observations
wild geranium
Geranium maculatum
1,025 observations
common hackberry
Celtis occidentalis
1,021 observations
leadplant
Amorpha canescens
992 observations
compass plant
Silphium laciniatum
990 observations
sharp-lobed hepatica
Hepatica acutiloba
989 observations · iNaturalist
eastern redcedar
Juniperus virginiana
974 observations
swamp milkweed
Asclepias incarnata
943 observations
velvetleaf
Abutilon theophrasti
897 observations
common motherwort
Leonurus cardiaca
882 observations · iNaturalist
eastern poison ivy
Toxicodendron radicans
856 observations
field penny-cress
Thlaspi arvense
855 observations · iNaturalist
prairie trillium
Trillium recurvatum
843 observations
creeping thistle
Cirsium arvense
829 observations
box elder
Acer negundo
827 observations
Plants in nearby places
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