New Plant Species Added to the Website

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a close-up photo of a Rocky Mountain geranium flower

Silphium lacinatum

Compass Plant (Silphium lacinatum) has only been collected in Colorado 5 times and Natureserve says that it may be exterpated.  A plains plant, it is found in states east of Colorado.

a close-up photo of a Rocky Mountain geranium flower

Geranium caespitosum

Rocky Mountain Geranium (Geranium caespitosum) is a native flower, common on dry, rocky slopes, meadows, and open forests, especially common along the Front Range

a photo of a Eurapean honey bee in a Colorado aquilegia flower

Apis mellifera

The European honey bee (Apis mellifera) naturally occurs in Europe, the Middle East and Africa, but has been imported into the U.S. for pollination.

a photo of a clump of white small-leaf pussytoes flowers

Antennaria parvifolia

Small Leaf Pussytoes (Antennaria parvifolia) a native species which is common in open meadows and on rocky slopes.

a photo of four perennial fringed gentian flowers

Gentianopsis barbellata

Perrenial Fringed Gentian (Gentianopsis barbellata) is considered vulnerable (S3) in Colorado but aparently secure globally (G4) as it occurs in 5 states.

a close-up view of Pennsylvania Sedge flowers

Carex inops ssp. heliophila

Sun Sedge (Carex inops ssp. heliophila) is a native sedge that is common on dry slopes, in grasslands, and oak or pine forests.

a photo of Coyote Willow catkins

Salix exidua

Coyote Willow (Salix exidua) is a native species that is common along rivers and streams, ditches, and in floodplains.

a photo of a mass of white tufted evening primrose flowers

Oenothera caespitosa

Tufted Evening Primrose (Oenothera caespitosa) has 4 varieties that grow from the plains to the subalpine.

a close-up photo of a blue sage flower

Salvia azurea var. grandiflora

Blue Sage (Salvia azurea var. grandiflora) is an imperiled (S2) species in Colorado, which grows along roadsides on the eastern plains.

a close-up photo of purple prairie clover

Dalea purpurea

Purple Prairie Clover (Dalea purpurea) is a native plant found on the eastern plains and foothills.

photo of a sand dune wallflower plant with yellow flowers

Erysimum capitatum

Sand Dune Wallflower (Erysimum capitatum).  This is the yellow form which is on the eastern plains, in the foothills, mountain meadows, and alpine tundra.

a photograph of Nelson's Physaria

Physaria nelsonii

Nelson’s Physaria (Physaria nelsonii) is a newly discovered species found by Melissa Islam in 2014, but not correctly identified until 2021 by Jennifer Ackerfield.

a photo of a patch of tall cottongrass

Eriophorum angustifolium

Tall Cottongrass (Eriophorum angustifolium) is a native species common in bogs, fens, moist meadows, and along lake margins from the foothills to the alpine.

photo of a sand dune wallflower plant with purple flowers

Erysimum capitatum

Sand Dune Wallflower (Erysimum capitatum).  This is the purple form which is found in the same life zones as the yellow form.

photo of a mass of Rocky Mountain penstemon along a highway

Penstemon strictus

Rocky Mountain Penstemon (Penstemon strictus) is a native and common species that grows on dry slopes and in meadows.

a photo of Bleaky's penstemon

Penstemon bleaklyi

Bleaky’s Penstemon (Penstemon bleaklyi) is another newly discovered species by Jennifer Ackerfield which she collected and uploaded the photo to iNaturalist.  A New Mexico botanist identified it some years later.