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Plants of Arches National Park

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

8,050
recent observations
50
species listed
50
plants

Naturalists have logged 8,050 research-grade observations across the 50 most-recorded species in Arches. The most frequently seen is the Utah Juniper, with 633 recorded sightings.

Most-observed plants in Arches

Utah Juniper
Juniperus osteosperma
633 observations · iNaturalist
Plains Pricklypear
Opuntia polyacantha
437 observations
Single-leaf Ash
Fraxinus anomala
431 observations · iNaturalist
Tucker Oak
Quercus welshii
373 observations · iNaturalist
Stansbury's Cliffrose
Purshia stansburyana
325 observations · iNaturalist
Desert Prince's Plume
Stanleya pinnata
321 observations · iNaturalist
Kingcup Cactus
Echinocereus triglochidiatus
318 observations
Smallflower Fishhook Cactus
Sclerocactus parviflorus
288 observations · iNaturalist
Colorado Pinyon
Pinus edulis
276 observations
Blackbrush
Coleogyne ramosissima
273 observations · iNaturalist
Sacred Datura
Datura wrightii
233 observations
Canaigre Dock
Rumex hymenosepalus
225 observations · iNaturalist
Green Ephedra
Ephedra viridis
197 observations · iNaturalist
Pale Evening Primrose
Oenothera pallida
190 observations
Sand Sagebrush
Artemisia filifolia
188 observations · iNaturalist
Great Basin Sand Verbena
Abronia elliptica
180 observations · iNaturalist
Brown-spined Pricklypear
Opuntia phaeacantha
163 observations
Badlands Mule-ears
Scabrethia scabra
150 observations · iNaturalist
Canyonlands Biscuitroot
Lomatium latilobum
142 observations · iNaturalist
Firecracker Penstemon
Penstemon eatonii
134 observations
Fragrant Evening Primrose
Oenothera cespitosa
128 observations · iNaturalist
Rubber Rabbitbrush
Ericameria nauseosa
120 observations · iNaturalist
Greasewood
Sarcobatus vermiculatus
119 observations · iNaturalist
Small-leaf Globemallow
Sphaeralcea parvifolia
117 observations · iNaturalist
Utah Serviceberry
Amelanchier utahensis
115 observations · iNaturalist
Fourwing Saltbush
Atriplex canescens
112 observations
Redstem Stork's-bill
Erodium cicutarium
110 observations · iNaturalist
Saltlover
Halogeton glomeratus
108 observations · iNaturalist
Hairspine Pricklypear
Opuntia trichophora
108 observations · iNaturalist
Desert Trumpet
Eriogonum inflatum
98 observations · iNaturalist
Frosted Mint
Poliomintha incana
98 observations · iNaturalist
Littleleaf Mountain Mahogany
Cercocarpus intricatus
96 observations · iNaturalist
Brenda's Yellow Cryptantha
Oreocarya flava
88 observations · iNaturalist
Fremont Barberry
Berberis fremontii
84 observations · iNaturalist
Shadscale Saltbush
Atriplex confertifolia
80 observations · iNaturalist
Woolly Locoweed
Astragalus mollissimus
80 observations · iNaturalist
Fragrant Sumac
Rhus aromatica
77 observations
Sego Lily
Calochortus nuttallii
77 observations
Gambel Oak
Quercus gambelii
75 observations
Dwarf Yucca
Yucca harrimaniae
72 observations · iNaturalist
Sand Ricegrass
Eriocoma hymenoides
72 observations · iNaturalist
Scarlet Gilia
Ipomopsis aggregata
66 observations
Crispleaf Buckwheat
Eriogonum corymbosum
64 observations · iNaturalist
Winterfat
Krascheninnikovia lanata
63 observations · iNaturalist
Skunkbush Sumac
Rhus trilobata
62 observations · iNaturalist
Utah Fleabane
Erigeron utahensis
61 observations · iNaturalist
Preuss' Milkvetch
Astragalus preussii
59 observations · iNaturalist
Narrowleaf Yucca
Yucca angustissima
59 observations · iNaturalist
Western Poison Ivy
Toxicodendron rydbergii
54 observations · iNaturalist
Charming Woodyaster
Xylorhiza venusta
51 observations · iNaturalist

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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