Greenhorn Mountain

Malheur National Forest · Oregon · 15,936 acres · RoadlessArea Rule (2001)
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Observed Species (134)

Species with confirmed research-grade observation records from iNaturalist community science data.

Whitebark Pine (6)
Pinus albicaulisThreatened
(1)
Anticlea elegans
(2)
Abies grandis × concolor
(1)
Navarretia intertexta
Alder Leaf Gall Mite (1)
Eriophyes laevis
Alpine Speedwell (1)
Veronica wormskjoldii
American Beaver (1)
Castor canadensis
American Bistort (2)
Bistorta bistortoides
American Pika (1)
Ochotona princeps
American Robin (1)
Turdus migratorius
Arrowleaf Balsamroot (2)
Balsamorhiza sagittata
Big-pod Mariposa Lily (5)
Calochortus eurycarpus
Black Cottonwood (2)
Populus trichocarpa
Bloomer's Goldenweed (1)
Ericameria bloomeri
Bluebunch Wheatgrass (1)
Pseudoroegneria spicata
Bobcat (1)
Lynx rufus
Bolander's Yampah (1)
Perideridia bolanderi
Brewer's Monkeyflower (1)
Erythranthe breweri
Bridges' Cliffbrake (2)
Pellaea bridgesii
Brown-eyed Sunshine Lichen (1)
Vulpicida canadensis
Brown-eyed Wolf Lichen (2)
Letharia columbiana
Bull Elephant's-head (7)
Pedicularis groenlandica
Canada Goose (1)
Branta canadensis
Catchweed Bedstraw (1)
Galium aparine
Columbia Spotted Frog (8)
Rana luteiventris
Columbian Monkshood (1)
Aconitum columbianum
Common Camassia (1)
Camassia quamash
Common Wintergreen (1)
Chimaphila umbellata
Common Woolly-sunflower (1)
Eriophyllum lanatum
Common Yarrow (3)
Achillea millefolium
Cous-root Desert-parsley (1)
Lomatium cous
Dalmatian Toadflax (2)
Linaria dalmatica
Dense Lace Fern (1)
Aspidotis densa
Deptford Pink (2)
Dianthus armeria
Domestic Dog (1)
Canis familiaris
Douglas' Hawthorn (1)
Crataegus douglasii
Douglas-fir (2)
Pseudotsuga menziesii
Dwarf Yellow Fleabane (1)
Erigeron chrysopsidis
Engelmann Spruce (1)
Picea engelmannii
Explorers' Gentian (1)
Gentiana calycosa
Felwort (1)
Swertia perennis
Fireweed (2)
Chamaenerion angustifolium
Fringed Grass-of-Parnassus (2)
Parnassia fimbriata
Fuller's Teasel (2)
Dipsacus fullonum
Garden Bird's-foot-trefoil (2)
Lotus corniculatus
Giant Pinedrops (1)
Pterospora andromedea
Giant Rattlesnake-plantain (1)
Goodyera oblongifolia
Goldenrod Crab Spider (1)
Misumena vatia
Graceful Cinquefoil (1)
Potentilla gracilis
Great Gray Owl (1)
Strix nebulosa
Greater Red Indian-paintbrush (4)
Castilleja miniata
Green-tongue Liverwort (1)
Marchantia polymorpha
Ground Juniper (2)
Juniperus communis
Heartleaf Bittercress (1)
Cardamine cordifolia
Hooded Ladies'-tresses (1)
Spiranthes romanzoffiana
Hot-rock Beardtongue (1)
Penstemon deustus
Lanceleaf Stonecrop (2)
Sedum lanceolatum
Large-flower Clarkia (1)
Clarkia pulchella
Large-flower Goldenweed (2)
Pyrrocoma carthamoides
Large-flower Yellow Fawnlily (1)
Erythronium grandiflorum
Large-head Clover (1)
Trifolium macrocephalum
Leafy Lousewort (1)
Pedicularis racemosa
Lewis' Monkeyflower (4)
Erythranthe lewisii
Lodgepole Pine (13)
Pinus contorta
Long-flower Bluebells (1)
Mertensia longiflora
Marsh Valerian (1)
Valeriana sitchensis
Mountain Holly Fern (1)
Polystichum scopulinum
Mountain Lady's-slipper (2)
Cypripedium montanum
Mountain Maple (2)
Acer glabrum
Mt. Hood Pussy-paws (1)
Calyptridium umbellatum
Mule Deer (4)
Odocoileus hemionus
Narrow-petal Stonecrop (1)
Sedum stenopetalum
Narrowleaf Milkweed (1)
Asclepias fascicularis
North American Racer (1)
Coluber constrictor
North American Red Squirrel (2)
Tamiasciurus hudsonicus
Oregon Boxleaf (1)
Paxistima myrsinites
Oregon Checker-mallow (2)
Sidalcea oregana
Oval-leaf Buckwheat (1)
Eriogonum ovalifolium
Oxeye Daisy (2)
Leucanthemum vulgare
Pacific Oak Fern (1)
Gymnocarpium disjunctum
Parsnip-flower Buckwheat (1)
Eriogonum heracleoides
Pearly Everlasting (2)
Anaphalis margaritacea
Peck's Indian-paintbrush (3)
Castilleja peckiana
Pine Reedgrass (1)
Calamagrostis rubescens
Pine Violet (2)
Viola purpurea
Pink Wintergreen (1)
Pyrola asarifolia
Poker Alumroot (1)
Heuchera cylindrica
Ponderosa Pine (25)
Pinus ponderosa
Prairie Flax (2)
Linum lewisii
Prairie Gentian (2)
Gentiana affinis
Red Crossbill (2)
Loxia curvirostra
Redside Shiner (11)
Richardsonius balteatus
Rhexia-leaf Indian-paintbrush (1)
Castilleja rhexiifolia
Rocky Mountain Goat (2)
Oreamnos americanus
Rosy Pussytoes (1)
Antennaria rosea
Rough Horsetail (1)
Equisetum hyemale
Roundleaf Trillium (2)
Trillium petiolatum
Rubber Rabbitbrush (3)
Ericameria nauseosa
Ruffed Grouse (1)
Bonasa umbellus
Sagebrush Buttercup (1)
Ranunculus glaberrimus
Shasta Fern (1)
Polystichum lemmonii
Showy Fleabane (1)
Erigeron speciosus
Signal Crayfish (1)
Pacifastacus leniusculus
Single-flowered Clintonia (2)
Clintonia uniflora
Six-spotted Yellow Orbweaver (1)
Araniella displicata
Slender-trumpet Standing-cypress (2)
Ipomopsis tenuituba
Small-leaf Monkeyflower (1)
Erythranthe microphylla
Snowberry (2)
Symphoricarpos albus
Spotted Sandpiper (2)
Actitis macularius
Square-twigged Huckleberry (1)
Vaccinium membranaceum
Sticky Geranium (3)
Geranium viscosissimum
Sticky Indian-paintbrush (6)
Castilleja glandulifera
Streambank Saxifrage (2)
Micranthes odontoloma
Subalpine Fir (3)
Abies lasiocarpa
Sweet-smelling Hydnellum (1)
Hydnellum suaveolens
Tall Swamp Onion (2)
Allium validum
Tall White Bog Orchid (3)
Platanthera dilatata
Virginia Strawberry (1)
Fragaria virginiana
Wall-flower Phoenicaulis (1)
Phoenicaulis cheiranthoides
Wavyleaf Indian-paintbrush (1)
Castilleja applegatei
Western Columbine (4)
Aquilegia formosa
Western Coneflower (3)
Rudbeckia occidentalis
Western Larch (29)
Larix occidentalis
Western Sweet-cicely (1)
Osmorhiza occidentalis
Western White Pine (2)
Pinus monticola
White Clover (1)
Trifolium repens
White Triteleia (1)
Triteleia hyacinthina
Wolf Lichen (1)
Letharia vulpina
Wood Beauty (1)
Drymocallis lactea
Woolly Goldenweed (1)
Stenotus lanuginosus
Woolly-head Clover (1)
Trifolium eriocephalum
Yellow Beardtongue (1)
Penstemon confertus
Yellow Buckwheat (1)
Eriogonum flavum
a fungus (1)
Alloclavaria purpurea
Federally Listed Species (6)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring within this area based on range and habitat data. These designations do not indicate confirmed presence — they identify habitat where agency actions may require consultation under the Endangered Species Act.

Whitebark Pine
Pinus albicaulisThreatened
Bull Trout
Salvelinus confluentus
Monarch
Danaus plexippusProposed Threatened
North American Wolverine
Gulo gulo luscus
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Yellow-billed Cuckoo
Coccyzus americanus
Other Species of Concern (6)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring based on range and habitat data.

Bald Eagle
Haliaeetus leucocephalus
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Migratory Birds of Conservation Concern (6)

Birds of conservation concern identified by the U.S. Fish and Wildlife Service as potentially occurring based on range data. These species may warrant additional consideration under the Migratory Bird Treaty Act.

Bald Eagle
Haliaeetus leucocephalus
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Vegetation (14)

Composition from LANDFIRE 2024 EVT spatial analysis. Ecosystems classified per NatureServe Terrestrial Ecological Systems.

Southern Rockies Mixed Conifer Forest
Tree / Conifer · 2,277 ha
GNR35.3%
GNR13.5%
GNR12.2%
Rocky Mountain Lodgepole Pine Forest
Tree / Conifer · 734 ha
GNR11.4%
Northern Rockies Subalpine Grassland
Herb / Grassland · 470 ha
GNR7.3%
Intermountain Mountain Sagebrush Steppe
Shrub / Shrubland · 324 ha
GNR5.0%
Southern Rockies Mixed Conifer Forest
Tree / Conifer · 188 ha
GNR2.9%
GNR2.7%
Rocky Mountain Cliff Canyon and Massive Bedrock
Sparse / Sparsely Vegetated · 163 ha
2.5%
Rocky Mountain Subalpine Meadow
Herb / Grassland · 111 ha
GNR1.7%
Rocky Mountain Aspen Forest
Tree / Hardwood · 78 ha
GNR1.2%
GNR0.8%
Northern Rockies Foothill Shrubland
Shrub / Shrubland · 45 ha
GNR0.7%
Rocky Mountain Alpine Bedrock and Scree
Sparse / Sparsely Vegetated · 45 ha
0.7%

Greenhorn Mountain

Greenhorn Mountain Roadless Area

Malheur National Forest, Oregon · 15,936 acres