Plants of Gateway Arch National Park
The plants most often spotted in Gateway Arch, ranked by recent research-grade observations.
Most-observed plants in Gateway Arch
fragrant sumac
Rhus aromatica
25 observations
henbit deadnettle
Lamium amplexicaule
23 observations · iNaturalist
white clover
Trifolium repens
22 observations
eastern redbud
Cercis canadensis
20 observations
baldcypress
Taxodium distichum
20 observations
American pokeweed
Phytolacca americana
17 observations
Butterweed
Packera glabella
17 observations · iNaturalist
mock strawberry
Potentilla indica
17 observations · iNaturalist
common milkweed
Asclepias syriaca
15 observations
common dandelion
Taraxacum officinale
12 observations
Kentucky coffeetree
Gymnocladus dioicus
12 observations
late boneset
Eupatorium serotinum
9 observations · iNaturalist
red deadnettle
Lamium purpureum
9 observations · iNaturalist
American burnweed
Erechtites hieraciifolius
9 observations · iNaturalist
northern catalpa
Catalpa speciosa
8 observations
Camphorweed
Heterotheca subaxillaris
8 observations · iNaturalist
Purslane Speedwell
Veronica peregrina
7 observations · iNaturalist
musk thistle
Carduus nutans
7 observations · iNaturalist
honey-vine climbing milkweed
Cynanchum laeve
7 observations · iNaturalist
low smartweed
Persicaria longiseta
7 observations · iNaturalist
eastern redcedar
Juniperus virginiana
6 observations
American sycamore
Platanus occidentalis
6 observations
Carolina horsenettle
Solanum carolinense
6 observations
chicory
Cichorium intybus
6 observations
black-eyed Susan
Rudbeckia hirta
6 observations
American persimmon
Diospyros virginiana
6 observations
Indiangrass
Sorghastrum nutans
6 observations
purple passionflower
Passiflora incarnata
5 observations
cowpen daisy
Verbesina encelioides
5 observations · iNaturalist
blue phlox
Phlox divaricata
5 observations
swamp milkweed
Asclepias incarnata
5 observations
Red Clover
Trifolium pratense
4 observations
prickly lettuce
Lactuca serriola
4 observations · iNaturalist
common groundsel
Senecio vulgaris
4 observations · iNaturalist
shepherd's-purse
Capsella bursa-pastoris
4 observations · iNaturalist
common star-of-Bethlehem
Ornithogalum umbellatum
4 observations · iNaturalist
tree-of-heaven
Ailanthus altissima
4 observations · iNaturalist
Spotted spurge
Euphorbia maculata
4 observations · iNaturalist
velvetleaf
Abutilon theophrasti
4 observations
wild carrot
Daucus carota
4 observations
grey-headed coneflower
Ratibida pinnata
4 observations
Illinois bundleflower
Desmanthus illinoensis
4 observations · iNaturalist
fortune's spindle
Euonymus fortunei
4 observations · iNaturalist
American sweetgum
Liquidambar styraciflua
3 observations
common yarrow
Achillea millefolium
3 observations
ribwort plantain
Plantago lanceolata
3 observations
prickly sowthistle
Sonchus asper
3 observations · iNaturalist
smooth sumac
Rhus glabra
3 observations
Black Medick
Medicago lupulina
3 observations · iNaturalist
Osage-orange
Maclura pomifera
3 observations
Out spotting plants in Gateway Arch?
Take Huck with you. Identify any plant you find in seconds and build your collection.
Get Huck - freeLove plants? Get Huck field notes
Spotting tips, new species, and the best of what people are finding in the wild - free, straight to your inbox.