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Plants of Idaho

The plants most often spotted in Idaho, ranked by recent research-grade observations.

109,555
recent observations
50
species listed
50
plants

Naturalists have logged 109,555 research-grade observations across the 50 most-recorded species in Idaho. The most frequently seen is the Western Ponderosa Pine, with 4,199 recorded sightings.

Rarer finds confirmed in Idaho include Yellow Bell and Fairy Slipper - uncommon enough that a sighting is worth logging.

Yellow BellFairy Slipper

Most-observed plants in Idaho

Western Ponderosa Pine
Pinus ponderosa
4,199 observations
Great Mullein
Verbascum thapsus
4,083 observations
Fireweed
Chamaenerion angustifolium
3,788 observations · iNaturalist
Arrowleaf Balsamroot
Balsamorhiza sagittata
3,635 observations
Common Yarrow
Achillea millefolium
3,612 observations
Glacier Lily
Erythronium grandiflorum
3,514 observations
Creeping Mahonia
Berberis repens
3,458 observations · iNaturalist
Douglas-fir
Pseudotsuga menziesii
3,140 observations
Thimbleberry
Rubus parviflorus
2,974 observations
Sticky Geranium
Geranium viscosissimum
2,932 observations · iNaturalist
Common Beargrass
Xerophyllum tenax
2,861 observations · iNaturalist
Showy Milkweed
Asclepias speciosa
2,749 observations
Big Sagebrush
Artemisia tridentata
2,721 observations
Lodgepole Pine
Pinus contorta
2,492 observations
Saskatoon
Amelanchier alnifolia
2,467 observations
Quaking Aspen
Populus tremuloides
2,435 observations
Chokecherry
Prunus virginiana
2,214 observations
Yellow Salsify
Tragopogon dubius
2,132 observations · iNaturalist
Redstem Stork's-bill
Erodium cicutarium
2,054 observations · iNaturalist
Golden Currant
Ribes aureum
2,041 observations
Pacific Trillium
Trillium ovatum
2,026 observations
Plains Pricklypear
Opuntia polyacantha
1,923 observations
Red Osier Dogwood
Cornus sericea
1,840 observations
Antelope Bitterbrush
Purshia tridentata
1,803 observations · iNaturalist
Bittersweet Nightshade
Solanum dulcamara
1,802 observations
Woodland Pinedrops
Pterospora andromedea
1,788 observations · iNaturalist
White Mariposa Lily
Calochortus eurycarpus
1,787 observations · iNaturalist
Yellow Fritillary
Fritillaria pudica
1,786 observations
Prairie Smoke
Geum triflorum
1,773 observations
Spotted Knapweed
Centaurea stoebe
1,752 observations
Fairy-slipper
Calypso bulbosa
1,735 observations
Star-flowered Lily-of-the-valley
Maianthemum stellatum
1,726 observations
Western Redcedar
Thuja plicata
1,714 observations
Common Tansy
Tanacetum vulgare
1,693 observations
Giant Red Paintbrush
Castilleja miniata
1,690 observations
Solomon's Plume
Maianthemum racemosum
1,669 observations
Pearly Everlasting
Anaphalis margaritacea
1,643 observations
Bride's Bonnet
Clintonia uniflora
1,634 observations
Common Cowparsnip
Heracleum maximum
1,621 observations
Hound's-tongue
Cynoglossum officinale
1,620 observations · iNaturalist
Baker's Mariposa Lily
Calochortus apiculatus
1,561 observations · iNaturalist
Bearberry
Arctostaphylos uva-ursi
1,559 observations
Rocky Mountain Maple
Acer glabrum
1,538 observations
Western Stoneseed
Lithospermum ruderale
1,537 observations · iNaturalist
Sagebrush Buttercup
Ranunculus glaberrimus
1,520 observations · iNaturalist
Pipsissewa
Chimaphila umbellata
1,518 observations
Large-flowered Triteleia
Triteleia grandiflora
1,466 observations · iNaturalist
Scarlet Gilia
Ipomopsis aggregata
1,459 observations
Small-flowered Blue-eyed Mary
Collinsia parviflora
1,445 observations · iNaturalist
Western Larch
Larix occidentalis
1,426 observations

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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