Plants of Iowa
The plants most often spotted in Iowa, ranked by recent research-grade observations.
67,294
recent observations
50
species listed
50
plants
Naturalists have logged 67,294 research-grade observations across the 50 most-recorded species in Iowa. The most frequently seen is the common milkweed, with 3,449 recorded sightings.
Most-observed plants in Iowa
common milkweed
Asclepias syriaca
3,449 observations
wild bergamot
Monarda fistulosa
2,127 observations
tall bellflower
Campanulastrum americanum
2,113 observations · iNaturalist
ground-ivy
Glechoma hederacea
1,962 observations · iNaturalist
Amur honeysuckle
Lonicera maackii
1,931 observations
garlic mustard
Alliaria petiolata
1,850 observations
Dutchman's breeches
Dicentra cucullaria
1,824 observations
American pokeweed
Phytolacca americana
1,819 observations
wild carrot
Daucus carota
1,686 observations
bloodroot
Sanguinaria canadensis
1,654 observations
mayapple
Podophyllum peltatum
1,653 observations
Red Clover
Trifolium pratense
1,633 observations
great mullein
Verbascum thapsus
1,611 observations
butterfly milkweed
Asclepias tuberosa
1,552 observations
hoary vervain
Verbena stricta
1,552 observations
white snakeroot
Ageratina altissima
1,462 observations
partridge pea
Chamaecrista fasciculata
1,407 observations
Virginia Springbeauty
Claytonia virginica
1,354 observations
dame's rocket
Hesperis matronalis
1,344 observations · iNaturalist
blue phlox
Phlox divaricata
1,338 observations
Jack-in-the-Pulpit
Arisaema triphyllum
1,333 observations
black-eyed Susan
Rudbeckia hirta
1,331 observations
grey-headed coneflower
Ratibida pinnata
1,325 observations
purple crownvetch
Securigera varia
1,321 observations · iNaturalist
Carolina horsenettle
Solanum carolinense
1,276 observations
Virginia waterleaf
Hydrophyllum virginianum
1,270 observations
white clover
Trifolium repens
1,253 observations
Virginia bluebells
Mertensia virginica
1,247 observations
bird's-foot trefoil
Lotus corniculatus
1,235 observations · iNaturalist
great blue lobelia
Lobelia siphilitica
1,195 observations
giant ragweed
Ambrosia trifida
1,190 observations
red columbine
Aquilegia canadensis
1,152 observations
American germander
Teucrium canadense
1,093 observations · iNaturalist
black raspberry
Rubus occidentalis
1,092 observations
rattlesnake master
Eryngium yuccifolium
1,078 observations
wild geranium
Geranium maculatum
1,018 observations
cup plant
Silphium perfoliatum
1,004 observations
common hackberry
Celtis occidentalis
1,002 observations
sharp-lobed hepatica
Hepatica acutiloba
981 observations · iNaturalist
leadplant
Amorpha canescens
959 observations
eastern redcedar
Juniperus virginiana
957 observations
compass plant
Silphium laciniatum
953 observations
swamp milkweed
Asclepias incarnata
909 observations
common motherwort
Leonurus cardiaca
869 observations · iNaturalist
prairie trillium
Trillium recurvatum
845 observations
eastern poison ivy
Toxicodendron radicans
833 observations
box elder
Acer negundo
816 observations
field penny-cress
Thlaspi arvense
814 observations · iNaturalist
poison hemlock
Conium maculatum
811 observations
velvetleaf
Abutilon theophrasti
811 observations
Plants in nearby places
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