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Plants of Idaho

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

109,320
recent observations
50
species listed
50
plants

Naturalists have logged 109,320 research-grade observations across the 50 most-recorded species in Idaho. The most frequently seen is the Western Ponderosa Pine, with 4,192 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
4,192 observations
Great Mullein
Verbascum thapsus
4,063 observations
Fireweed
Chamaenerion angustifolium
3,776 observations · iNaturalist
Arrowleaf Balsamroot
Balsamorhiza sagittata
3,637 observations
Common Yarrow
Achillea millefolium
3,601 observations
Glacier Lily
Erythronium grandiflorum
3,513 observations
Creeping Mahonia
Berberis repens
3,446 observations · iNaturalist
Douglas-fir
Pseudotsuga menziesii
3,129 observations
Thimbleberry
Rubus parviflorus
2,973 observations
Sticky Geranium
Geranium viscosissimum
2,935 observations · iNaturalist
Common Beargrass
Xerophyllum tenax
2,854 observations · iNaturalist
Showy Milkweed
Asclepias speciosa
2,750 observations
Big Sagebrush
Artemisia tridentata
2,722 observations
Lodgepole Pine
Pinus contorta
2,488 observations
Saskatoon
Amelanchier alnifolia
2,458 observations
Quaking Aspen
Populus tremuloides
2,431 observations
Chokecherry
Prunus virginiana
2,205 observations
Yellow Salsify
Tragopogon dubius
2,134 observations · iNaturalist
Redstem Stork's-bill
Erodium cicutarium
2,051 observations · iNaturalist
Golden Currant
Ribes aureum
2,043 observations
Pacific Trillium
Trillium ovatum
2,021 observations
Plains Pricklypear
Opuntia polyacantha
1,916 observations
Red Osier Dogwood
Cornus sericea
1,836 observations
Antelope Bitterbrush
Purshia tridentata
1,807 observations · iNaturalist
Bittersweet Nightshade
Solanum dulcamara
1,796 observations
Yellow Fritillary
Fritillaria pudica
1,786 observations
White Mariposa Lily
Calochortus eurycarpus
1,784 observations · iNaturalist
Woodland Pinedrops
Pterospora andromedea
1,783 observations · iNaturalist
Prairie Smoke
Geum triflorum
1,773 observations
Spotted Knapweed
Centaurea stoebe
1,738 observations
Fairy-slipper
Calypso bulbosa
1,734 observations
Star-flowered Lily-of-the-valley
Maianthemum stellatum
1,718 observations
Western Redcedar
Thuja plicata
1,707 observations
Common Tansy
Tanacetum vulgare
1,688 observations
Giant Red Paintbrush
Castilleja miniata
1,688 observations
Solomon's Plume
Maianthemum racemosum
1,666 observations
Pearly Everlasting
Anaphalis margaritacea
1,625 observations
Bride's Bonnet
Clintonia uniflora
1,625 observations
Hound's-tongue
Cynoglossum officinale
1,618 observations · iNaturalist
Common Cowparsnip
Heracleum maximum
1,618 observations
Baker's Mariposa Lily
Calochortus apiculatus
1,562 observations · iNaturalist
Bearberry
Arctostaphylos uva-ursi
1,555 observations
Western Stoneseed
Lithospermum ruderale
1,537 observations · iNaturalist
Rocky Mountain Maple
Acer glabrum
1,525 observations
Sagebrush Buttercup
Ranunculus glaberrimus
1,520 observations · iNaturalist
Pipsissewa
Chimaphila umbellata
1,507 observations
Large-flowered Triteleia
Triteleia grandiflora
1,467 observations · iNaturalist
Scarlet Gilia
Ipomopsis aggregata
1,463 observations
Small-flowered Blue-eyed Mary
Collinsia parviflora
1,444 observations · iNaturalist
Western Larch
Larix occidentalis
1,412 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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