[Wildflower Bloom in Central and Eastern Oregon: 2015]

Wildflower Bloom Along the Upper South Loop Road

Steens Mountain Recreational Lands

September 20, 2015

Riparian area along the South Loop Road, about one mile downhill from the East Rim Viewpoint, Steens Mountain Recreational Lands........September 20, 2015.

A riparian area with rich diversity as seen along the South Loop Road about one mile downhill from the East Rim Viewpoint, Steens Mountain............September 20, 2015. See additional photos from this spot at the bottom of the page.

* indicates the wildflower is currently in bloom.

This list includes plants observed in a riparian area along the South Loop Road about one mile below the East Rim Viewpoint.

Common Juniper: Juniperus communis var. montana

Alpine Spikemoss: Selaginella watsonii

Drummond's Rush: Juncus drummondii

Merten's Rush: Juncus mertensianus

Small-winged Sedge: Carex microptera

Western Singlespike Sedge: Carex scirpoidea ssp. pseudoscirpoidea

Rocky Mountain Sedge: Carex scopulorum var. bracteosa

Pine Needlegrass: Achnatherum (pinetorum ?) or A. nelsonii ssp. nelsonii ?

* Bottlebrush Squirreltail: Elymus elymoides (ssp. californicus ?) - Mostly past bloom.

* Alpine Timothy: Phleum alpinum

* American Bistort: Bistorta bistortoides - Mostly past bloom.

* Oval-leaf Buckwheat: Eriogonum ovalifolium var. nivale

* Sulfur-flower Buckwheat: Eriogonum umbellatum var. dicrocephalum - Fading out of bloom.

* Alpine Sorrel: Oxyria digynia - Fading out of bloom.

Douglas' Knotweed: Polygonum douglasii

* Pussypaws: Calyptridium umbellatum - Mostly past bloom.

Alpine Spring Beauty: Claytonia megarhiza

Sierran Spring Beauty: Claytonia nevadensis - Red-tinged leaves filling the small creeks and onto moist gravelly slopes where the snow lies late into the summer.

Prickly Sandwort: Arenaria aculeata

Ballhead Sandwort: Eremogone congesta var. congesta

Umbellate Chickweed: Stellaria umbellata

Marsh Marigold: Caltha leptosepala var. leptosepala

* Suksdorf's Buttercup: Ranunculus eschscholtzii var. suksdorfii - Second bloom in moist areas.

American Wintercress: Barbarea orthoceras

Daggerpod: Phoenicaulis cheiranthoides - Pods well formed.

Lance-leaved Stonecrop: Sedum lanceolatum

Roundleaf Alumroot: Heuchera cylindrica var. alpina

Brook Saxifrage: Micranthes odontoloma

Alpine Prickly Currant: Ribes montigenum - Past bloom.

* Shrubby Cinquefoil: Dasiphora fruticosa - Second bloom on scattered plants.

Prairie Smoke: Geum triflorum var. ciliatum - Feathery fruits forming.

* Gordon's Ivesia: Ivesia gordonii - Fading out of bloom.

Brewer's Cinquefoil: Potentilla breweri

Diverse-leaved Cinquefoil: Potentilla glaucophylla

Elmer's Cinquefoil: Potentilla gracilis var. elmeri

Varying Cinquefoil: Potentilla versicolor

Sibbaldia: Sibbaldia procumbens

Balloon Milkvetch: Astragalus whitneyi var. confusus

* Low Mt. Lupine: Lupinus lepidus var. lobbii

Gray's Lovage: Ligusticum grayii

Dwarf Huckleberry: Vaccinium cespitosum - Leaves a bright red.

Pleated Gentian: Gentiana affinis

Alpine Shooting Star: Dodecatheon alpinum

* Common Paintbrush: Castilleja miniata var. miniata

Lewis' Monkeyflower: Erythranthe lewisii

* Subalpine Monkeyflower: Erythranthe tilingii

Little Elephant Heads: Pedicularis attolens

Small-flowered Penstemon: Penstemon procerus var. formosus

Thyme-leaved Speedwell: Veronica serpyllifolia ssp. humifusa

* Yarrow: Achillea millefolium

* Orange Agoseris: Agoseris aurantiaca - A few plants still in bloom.

* Alpine Agoseris: Agoseris monticola

* Longleaf Arnica: Arnica longifolia - Fading out of bloom. Recent snowfall crushed plants to the ground while flowering pretty well.

Hairy Arnica: Arnica mollis

* Michaux's Sagewort: Artemisia michauxiana

Steens Mt Thistle: Cirsium eatonii var. peckii

Cut-leaved Daisy: Erigeron compositus var. glabratus

Foreign Fleabane: Erigeron peregrinus ssp. callianthemus var. scaposus

* Orange Sneezeweed: Hymenoxys hoopesii

* Hayden's Aster: Oreostemma alpigenum var. haydenii

Narrow-headed Goldenweed: Pyrrocoma carthamoides var. cusickii

* Dwarf Mountain Butterweed: Senecio fremontii - A few plants trying to bloom.

* Leafy Aster: Symphyotrichum foliaceum var. parryi - A few plants still in bloom.

* Western Mountain Aster: Symphyotrichum spathulatum var. spathulatum - A few plants in bloom.

* Common Dandylion: Taraxacum officinale - Along the South Loop Road.

Animals Observed at this Site:

Swainson's Hawks

Prairie Falcons


Common Ravens

American Pipits

Golden-crowned Sparrows

Orange Sulphurs


Tortoise Shells

Riparian area along the South Loop Road, about one mile downhill from the East Rim Viewpoint, Steens Mountain Recreational Lands........September 20, 2015. - View west down the Little Blitzen Gorge about one mile downhill from the East Rim Viewpoint, Steens Mountain Recreational Lands........September 20, 2015.

The photo at left shows a riparian area (center) with rocky outcrops and gravelly areas that support snow banks late into the summer along the South Loop Road, Steens Mountain Recreational Lands, located about one mile downhill from the East Rim Viewpoint. The photo at right shows the Little Blitzen Gorge viewed west at the point where the stream viewed at left spills over the south rim of the Little Blitzen Gorge............September 20, 2015.

Paul Slichter