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Plants of Arizona

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

392,301
recent observations
50
species listed
50
plants

Naturalists have logged 392,301 research-grade observations across the 50 most-recorded species in Arizona. The most frequently seen is the Saguaro, with 55,025 recorded sightings.

Most-observed plants in Arizona

Saguaro
Carnegiea gigantea
55,025 observations
Creosote Bush
Larrea tridentata
34,617 observations
Fishhook Barrel Cactus
Ferocactus wislizeni
20,231 observations
Ocotillo
Fouquieria splendens
19,524 observations
Engelmann's Hedgehog Cactus
Echinocereus engelmannii
19,332 observations
Brittlebush
Encelia farinosa
13,940 observations · iNaturalist
Buckhorn Cholla
Cylindropuntia acanthocarpa
11,427 observations · iNaturalist
Chain-fruit Cholla
Cylindropuntia fulgida
11,171 observations
Graham's Nipple Cactus
Cochemiea grahamii
11,141 observations · iNaturalist
California Barrel Cactus
Ferocactus cylindraceus
10,596 observations
Stinknet
Oncosiphon pilulifer
8,768 observations · iNaturalist
Soaptree Yucca
Yucca elata
8,081 observations
Southwestern Ponderosa Pine
Pinus brachyptera
7,393 observations · iNaturalist
Teddybear Cholla
Cylindropuntia bigelovii
7,082 observations
Little-leaved Palo Verde
Parkinsonia microphylla
6,779 observations · iNaturalist
Silverleaf Nightshade
Solanum elaeagnifolium
6,199 observations · iNaturalist
California Poppy
Eschscholzia californica
5,976 observations
Desert Ironwood
Olneya tesota
5,562 observations · iNaturalist
Sacred Datura
Datura wrightii
5,444 observations
Jojoba
Simmondsia chinensis
5,438 observations · iNaturalist
Tree Cholla
Cylindropuntia imbricata
5,191 observations
Banana Yucca
Yucca baccata
5,164 observations
Triangle-leaf Bursage
Ambrosia deltoidea
5,127 observations · iNaturalist
Velvet Mesquite
Neltuma velutina
4,874 observations · iNaturalist
Palmer's Agave
Agave palmeri
4,533 observations · iNaturalist
Christmas Cholla
Cylindropuntia leptocaulis
4,517 observations · iNaturalist
Blue Dicks
Dipterostemon capitatus
4,506 observations · iNaturalist
Desert Broom
Baccharis sarothroides
4,368 observations · iNaturalist
Pointleaf Manzanita
Arctostaphylos pungens
4,358 observations · iNaturalist
Coulter's Lupine
Lupinus sparsiflorus
4,231 observations · iNaturalist
Wheeler Sotol
Dasylirion wheeleri
4,130 observations
Coues' Senna
Senna covesii
4,112 observations · iNaturalist
Catclaw Acacia
Senegalia greggii
4,055 observations · iNaturalist
Arizona Sycamore
Platanus wrightii
3,945 observations · iNaturalist
Mesquite Mistletoe
Phoradendron californicum
3,932 observations · iNaturalist
Beavertail Pricklypear
Opuntia basilaris
3,881 observations
Pink Fairy-duster
Calliandra eriophylla
3,858 observations · iNaturalist
Gambel Oak
Quercus gambelii
3,855 observations
Engelmann's Pricklypear
Opuntia engelmannii
3,746 observations
Frémont Cottonwood
Populus fremontii
3,579 observations
Big Bursage
Ambrosia ambrosioides
3,562 observations · iNaturalist
Great Mullein
Verbascum thapsus
3,472 observations
Baker Kingcup Cactus
Echinocereus bakeri
3,466 observations · iNaturalist
Spinystar
Escobaria vivipara
3,378 observations
Rainbow Hedgehog Cactus
Echinocereus rigidissimus
3,319 observations · iNaturalist
Desert Marigold
Baileya multiradiata
3,228 observations · iNaturalist
Alligator Juniper
Juniperus deppeana
3,147 observations · iNaturalist
Trailing Windmills
Allionia incarnata
3,116 observations · iNaturalist
Spiny Hackberry
Celtis pallida
3,069 observations · iNaturalist
Blue Palo Verde
Parkinsonia florida
2,856 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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