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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.
Large and widespread green prickly pear cactus Sonora Desert Arizona
Cacti Sold in Small Pots
New border wall at US - Mexico border in Arizona  to keep undocumented or illegal immigrants out of the United States
Rip prickly pears (Opuntia ficus-barbarica) with yellow fruits in nature.
the ball cactus is a green plant with spikes
Cactus
wild cactus close up
Close up of cactus
Plethora of cardon and smaller cacti on Baja California peninsula in Mexico
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.
Prickly pear and brittle bush
Cactus small plants
The Vast Sonora desert in central Arizona USA on a early Spring morning
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).
Resin spurge, or Euphorbia resinifera plant in a garden
Cactus in garden
A Mexican semi desert landscape Myrtillocactus geometrizans Cactaceae and stones fence
A stock photograph of an Agave plant surround by snow. Photographed in the Grand Canyon area during winter.
Landscape of a stone desert, Cylindropuntia echinocarpa - Cholla Cactus Garden Sunset Mojave Desert Joshua Tree National Park, California
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
Pink cactus flower close up
Large group of cactus in the desert
Yellow opuntia flower (commonly known as the prickly pear cactus)
A single flower of the endemic Chilean Cactus (Echinopsis chiloensis), in the Andes of central Chile
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