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Dactylopius on a Opuntia cactus in Barcelona. White nests, larvas, and cocoons.
Echinocactus grusonii, popularly known as the Golden Barrel Cactus, Golden Ball or, amusingly, Mother-in-Law's Cushion, is a well known species of cactus, and is endemic to east-central Mexico..It is rare and critically endangered in the wild, where it is found near Mesa de Léon in the state of Querétaro, and in the state of Hidalgo. The population was critically reduced in the 1990s, by the creation of the Zimapán Dam and reservoir in Hidalgo. The cactus grows in volcanic rock on slopes, at altitudes around 1,400 metres.
Colorful desert scenery with cactus, saguaros, chollas, prickly pear, and stunning distant mountains.
Pachycereus pringlei,  Mexican giant cardon or elephant cactus, is a species of large cactus native to the states of Baja California and Baja California Sur. It is commonly known as cardón. Sierra de San Francisco, Mexico.
Yellow opuntia flower (commonly known as the prickly pear cactus)
Close-up view of the yellow wild flowers with mountain background on Mount Kilimanjaro, Tanzania
Large and widespread green prickly pear cactus Sonora Desert Arizona
Rip prickly pears (Opuntia ficus-barbarica) with yellow fruits in nature.
Jumping Cholla cactus and yellow desert wildflowers  in the Salt River management area near Scottsdale Arizona United States
Cactus
Prickly pear and brittle bush
Close up of cactus
wild cactus close up
The saguaro, Carnegiea gigantea, is a tree-like cactus species in the monotypic genus Carnegiea that can grow to be over 40 feet tall. It is native to the Sonoran Desert in Arizona. Sonoran Desert, Arizona.
Landscape of a stone desert, Cylindropuntia echinocarpa - Cholla Cactus Garden Sunset Mojave Desert Joshua Tree National Park, California
Cactus small plants
Cactus flower in San Pedro de Atacama in Chile
Early morning light shining on new spring grasses and flowers along Grafton Road below South Mesa in Rockville Utah
The Vast Sonora desert in central Arizona USA on a early Spring morning
A single flower of the endemic Chilean Cactus (Echinopsis chiloensis), in the Andes of central Chile
Yellow flowers on a cactus. Nature.
There was a proliferation of wildflowers in March 2017 in northwestern Baja California after the prodigious rains of the preceding winter.  The 100 km stretch of desert between El Rosario and Cataviña exploded with at least 50 species of wildflowers in such abundance as to cover entire hillsides and valleys with swaths of color.  In this photo, there are flowering California encelia bushes (Encelia californica) and several cardón cacti (Pachycereus pringlei) and boojum trees (Fouquieria columnaris).
Saguaros and prickly pear cactus thrive in a field in the Verde Valley in Tonto National Forest
Red Cactus in garden stones It's Beautiful cactus with an oval shape in pots.
Cactus, rocks and typical vegetation of the Brazilian Caatinga Biome in Paraiba State, Brazil.
a close up of one paddle of a prickly pear cactus with one orange flower blooming and and many more buds ready to bloom
The Vast Sonora desert in central Arizona USA on a early Spring morning
A stock photograph of an Agave plant surround by snow. Photographed in the Grand Canyon area during winter.
Baja California Peninsula, Mexico.
Two specimens of the endemic Cruckshanksia montiana (which has no English or local Spanish name) growing in coastal sand-dunes in the southern Atacama Desert region of Chile. Confined to Chile, this species can exist with very little water although, in years when the desert receives rain, Cruckshanksia will comprise some of the ‘flowering desert’ flora that happens particularly when there is an El Niño warming of the nearshore Pacific Ocean. This species has vivid yellow flowers surrounded by larger, equally yellow sepals, presumably to attract pollinators, while the regular green leaves grow close to the sand.
Free Images: "bestof:PRICKLY PEAR CACTUS BLOSSOMS - NARA - 545727.tif Scope and content General notes 545727 Local identifier 412-DA-3240 Environmental Protection Agency 12/02/1970"
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