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Invasive
great mullein
Verbascum thapsus
9,287 observations
showy milkweed
Asclepias speciosa
8,069 observations
blue columbine
Aquilegia coerulea
7,490 observations
creeping mahonia
Berberis repens
6,964 observations
Rocky Mountains Ponderosa Pine
Pinus scopulorum
6,769 observations
fireweed
Chamaenerion angustifolium
6,703 observations
Rubber Rabbitbrush
Ericameria nauseosa
6,672 observations
quaking aspen
Populus tremuloides
6,651 observations
Lanceleaf Stonecrop
Sedum lanceolatum
6,140 observations
sulfur buckwheat
Eriogonum umbellatum
5,871 observations
Great Plains yucca
Yucca glauca
5,826 observations
prairie pasqueflower
Pulsatilla nuttalliana
5,671 observations
common yarrow
Achillea millefolium
5,598 observations
Plains Pricklypear
Opuntia polyacantha
5,598 observations
Invasive
field bindweed
Convolvulus arvensis
5,356 observations
Gunnison's Mariposa Lily
Calochortus gunnisonii
5,275 observations
common starlily
Leucocrinum montanum
5,207 observations
Scarlet Globemallow
Sphaeralcea coccinea
5,038 observations
Whipple's penstemon
Penstemon whippleanus
4,976 observations
chokecherry
Prunus virginiana
4,817 observations
Scarlet Gilia
Ipomopsis aggregata
4,743 observations
Mountain Ball Cactus
Pediocactus simpsonii
4,496 observations
western harebell
Campanula petiolata
4,472 observations
Invasive
Redstem Stork's-bill
Erodium cicutarium
4,393 observations
Front Range Beardtongue
Penstemon virens
4,342 observations
Invasive
musk thistle
Carduus nutans
4,246 observations
Alderleaf Mountain Mahogany
Cercocarpus montanus
4,118 observations
monument plant
Frasera speciosa
4,045 observations
bearberry
Arctostaphylos uva-ursi
3,648 observations
shrubby cinquefoil
Dasiphora fruticosa
3,580 observations
Western Spiderwort
Tradescantia occidentalis
3,575 observations
Western Wallflower
Erysimum capitatum
3,522 observations
Lambert's Locoweed
Oxytropis lambertii
3,519 observations
wax currant
Ribes cereum
3,476 observations
Invasive
Balkan toadflax
Linaria dalmatica
3,464 observations
common juniper
Juniperus communis
3,458 observations
Elephant's-Head lousewort
Pedicularis groenlandica
3,400 observations
fringed sagebrush
Artemisia frigida
3,381 observations
Invasive
Yellow Sweetclover
Melilotus officinalis
3,368 observations
dotted gayfeather
Liatris punctata
3,346 observations
Rocky Mountain Beeplant
Cleomella serrulata
3,342 observations
common cowparsnip
Heracleum maximum
3,299 observations
creeping thistle
Cirsium arvense
3,225 observations
thistle poppy
Argemone polyanthemos
3,193 observations
Douglas-fir
Pseudotsuga menziesii
3,190 observations
Invasive
Smooth Brome
Bromus inermis
3,090 observations
twinberry honeysuckle
Lonicera involucrata
3,089 observations
golden currant
Ribes aureum
3,080 observations
Green-flower Hedgehog Cactus
Echinocereus viridiflorus
3,074 observations
Rocky mountain marsh-marigold
Caltha chionophila
2,979 observations
Frequently Asked Questions
- The 10 most common plants in Colorado are:
- great mullein (Verbascum thapsus)
- showy milkweed (Asclepias speciosa)
- blue columbine (Aquilegia coerulea)
- creeping mahonia (Berberis repens)
- Rocky Mountains Ponderosa Pine (Pinus scopulorum)
- fireweed (Chamaenerion angustifolium)
- Rubber Rabbitbrush (Ericameria nauseosa)
- quaking aspen (Populus tremuloides)
- Lanceleaf Stonecrop (Sedum lanceolatum)
- sulfur buckwheat (Eriogonum umbellatum)
- The most observed plant in Colorado is great mullein (Verbascum thapsus), with 9,287 recorded observations.
- Some of the most commonly observed invasive plants in Colorado include:
- great mullein (Verbascum thapsus)
- field bindweed (Convolvulus arvensis)
- Redstem Stork's-bill (Erodium cicutarium)
- musk thistle (Carduus nutans)
- Balkan toadflax (Linaria dalmatica)
- Some of the most commonly observed native plants in Colorado include:
- creeping mahonia (Berberis repens)
- quaking aspen (Populus tremuloides)
- Lanceleaf Stonecrop (Sedum lanceolatum)
- Whipple's penstemon (Penstemon whippleanus)
- bearberry (Arctostaphylos uva-ursi)