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Plants of Denver, Colorado

The plants most often spotted near Denver, ranked by recent research-grade observations.

84,718
recent observations
50
species listed
50
plants

Naturalists have logged 84,718 research-grade observations across the 50 most-recorded species near Denver. The most frequently seen is the Showy Milkweed, with 5,112 recorded sightings.

Most-observed plants near Denver

Showy Milkweed
Asclepias speciosa
5,112 observations
Great Plains Yucca
Yucca glauca
3,901 observations
Great Mullein
Verbascum thapsus
3,694 observations
Field Bindweed
Convolvulus arvensis
3,011 observations
Common Starlily
Leucocrinum montanum
2,796 observations · iNaturalist
Rubber Rabbitbrush
Ericameria nauseosa
2,711 observations · iNaturalist
Creeping Mahonia
Berberis repens
2,699 observations · iNaturalist
Rocky Mountains Ponderosa Pine
Pinus scopulorum
2,407 observations · iNaturalist
Chokecherry
Prunus virginiana
2,256 observations
Redstem Stork's-bill
Erodium cicutarium
2,101 observations · iNaturalist
Thistle Poppy
Argemone polyanthemos
1,999 observations · iNaturalist
Dotted Gayfeather
Liatris punctata
1,951 observations · iNaturalist
Front Range Beardtongue
Penstemon virens
1,949 observations · iNaturalist
Balkan Toadflax
Linaria dalmatica
1,936 observations · iNaturalist
Scarlet Globemallow
Sphaeralcea coccinea
1,894 observations
Plains Pricklypear
Opuntia polyacantha
1,745 observations
Prairie Pasqueflower
Pulsatilla nuttalliana
1,645 observations · iNaturalist
Western Spiderwort
Tradescantia occidentalis
1,636 observations
Golden Currant
Ribes aureum
1,514 observations
Sidebells Penstemon
Penstemon secundiflorus
1,412 observations · iNaturalist
American Plum
Prunus americana
1,399 observations
Musk Thistle
Carduus nutans
1,397 observations
Upright Prairie Coneflower
Ratibida columnifera
1,382 observations
Mountain Ball Cactus
Pediocactus simpsonii
1,356 observations · iNaturalist
Sulfur Buckwheat
Eriogonum umbellatum
1,341 observations
Wholeleaf Paintbrush
Castilleja integra
1,321 observations · iNaturalist
Alfalfa
Medicago sativa
1,296 observations · iNaturalist
Creeping Thistle
Cirsium arvense
1,294 observations
Crossflower
Chorispora tenella
1,253 observations · iNaturalist
Rocky Mountain Juniper
Juniperus scopulorum
1,252 observations
Box Elder
Acer negundo
1,245 observations
Rocky Mountain Beeplant
Cleomella serrulata
1,236 observations · iNaturalist
Gunnison's Mariposa Lily
Calochortus gunnisonii
1,232 observations · iNaturalist
Lanceleaf Stonecrop
Sedum lanceolatum
1,221 observations · iNaturalist
Smooth Brome
Bromus inermis
1,204 observations
Nuttall's Violet
Viola nuttallii
1,200 observations
Common Yarrow
Achillea millefolium
1,195 observations
Lambert's Locoweed
Oxytropis lambertii
1,176 observations
Rocky Mountain Raspberry
Rubus deliciosus
1,145 observations · iNaturalist
Alderleaf Mountain Mahogany
Cercocarpus montanus
1,144 observations · iNaturalist
Chicory
Cichorium intybus
1,138 observations
Broad-leaved Sweet Pea
Lathyrus latifolius
1,130 observations · iNaturalist
Wax Currant
Ribes cereum
1,124 observations · iNaturalist
Common Dandelion
Taraxacum officinale
1,116 observations
Dwarf Mallow
Malva neglecta
1,109 observations
Yellow Salsify
Tragopogon dubius
1,095 observations · iNaturalist
Western Wallflower
Erysimum capitatum
1,093 observations · iNaturalist
Madrean Springbeauty
Claytonia rosea
1,089 observations · iNaturalist
Russian Olive
Elaeagnus angustifolia
1,084 observations
Pinewoods Geranium
Geranium caespitosum
1,082 observations · iNaturalist

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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