Tag: Utah

Utah, a state in the western United States, is renowned for its stunning natural landscapes and unique geological formations. It is characterized by vast deserts, towering red rock formations, and the dramatic peaks of the Rocky Mountains. Home to five national parks—Zion, Bryce Canyon, Capitol Reef, Canyonlands, and Arches—Utah attracts outdoor enthusiasts and nature lovers from around the world. Its capital, Salt Lake City, is a hub of culture, history, and outdoor recreation, famously hosting the 2002 Winter Olympics. Utah’s diverse terrain offers opportunities for skiing, hiking, mountain biking, and exploring ancient Native American petroglyphs and archaeological sites. The state’s Mormon heritage is also evident in its history, architecture, and the world-famous Salt Lake Temple.

Mojave-aster ( Xylorhiza tortifolia )

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Mojave-aster ( Xylorhiza tortifolia )
Mojave-aster ( Xylorhiza tortifolia )

A member of the sunflower family, the Mojave-aster ( Xylorhiza tortifolia ) boasts a delicate lavender flower in the harsh desert environment. Also known as the Mojave Woodyaster, the plant commonly reaches about 30 inches in height. The green-grey colored stems hold a solitary flower which is about two inches in diameter. The plant gathers sun with three inch long silver-green leaves and an individual plant may offer dozens to purple hued flowers.

A solitary Mojave Aster next to a wind blown Globe Mallow bush.
A solitary Mojave Aster next to a wind blown Globemallow bush.

The Mojave Aster typically blooms between March and May, and again in October when the monsoon season allows. It in commonly found between 2000 and 3500 feet in elevation, however in California it is know to thrive between 700 and 6500 feet. The flowers of this plant are attractive to bees, butterflies and birds.

The aster is known to grown in the Great Basin and Sonora deserts and thrives in the Mojave. Like many other desert adapted plants, this plant thrives in sandy dry, well drained soil and common on desert slopes and washes.

The Havasupai people used this plant and its flowers as a fragrence to mask body odors and as an incense. Dried leaves where commonly carried in clothes by the tribal members.

Globemallow (Sphaeralcea ambigua)

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Globemallow (Sphaeralcea ambigua)
Globemallow (Sphaeralcea ambigua)

The Globemallow (Sphaeralcea ambigua) is a perennial herb and orange wildflower which is commonly found in Nevada, California, Utah and Arizona. This plant grows well in sandy or alkaline soil and found in creosote bush and desert chaparral habitats and typically grows between 1 – 3 feet tall and typically found at elevations up to 4000 ft.

The orange flowers of this plant grow in clusters at the end of the stem. It boasts broads leaves which are comprised on three lobes. Like other desert plants, the globemallow grows fast and fades faster, however, the flowers produce an abundance of nectar and commonly used by bees and other insects. The globe mallow is known to attract hummingbirds and butterflies. The plant flowers in the spring, however with an adequate supply of rainfall, it is known to bloom almost year round.

Globemallow growing outside of Las Vegas
Globemallow growing outside of Las Vegas

Native Americans are known to have used the plant for a variety of medicinal purposes including the treatment of sore throats, eye disease and diarrhea. The roots of the plant would be used to treat upset stomachs and poultices where made for broken bones and swelling.

Other common names for this flower include apricot mallow, roughleaf apricot mallow, desert mallow, sore-eye poppy, mal de ojo, Parish mallow, desert hollyhock.

Fremont’s Phacelia (Phacelia fremontii)

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Fremont’s Phacelia (Phacelia fremontii) is a small delicate looking flowering plant commonly commonly found in the southwestern United States including Nevada, Arizona and California. The flower is named for John C. Fremont who was the 5th Governor of the Arizona Territory as well as a soldier, explorer and first Republican Candidate for President of the United States.

Fremont's Phacelia (Phacelia fremontii) photographed in Valley of Fire State Park, Nevada
Fremont’s Phacelia (Phacelia fremontii) photographed in Valley of Fire State Park, Nevada

The Phacelia is a small annual plant which only grows to a height of 12 inches. The small flowers are funnel or bell shape and typically blue or lavender with a yellow throat and between 7 and 15 mm in size. The throat is typically crossed with purple veins to offer a wonderful contrast against the yellow throat. The deeply lobbed leaves are oblong in shape.

Fremont's Phacelia (Phacelia fremontii)
Fremont’s Phacelia (Phacelia fremontii)

Fremont’s Phacelia is known to grow in the Mojave Desert, Sierra Nevada and the above photograph was taken in Valley of Fire State Park near the Lake Mead National Recreation Area. The little plant commonly grows in gravelly or sandy soils and flowers between March and June each spring and may be found at elevations up to 8000 feet.

Fremonts Phacelia is named for John C. Frémont - 5th Governor of the Arizona Territory
John C. Frémont – 5th Governor of the Arizona Territory

Indian Paintbrush (Castilleja miniata)

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The Giant Red Indian Paintbrush or Indian Paintbrush (Castilleja miniata) is a wildflower and perennial which is quite common in the western United States, including California, Nevada and Utah. The genus Castilleja contains about 200 species of hemiparasitic wildlowers.

Indian Paintbrush (Castilleja miniata)
Indian Paintbrush (Castilleja miniata)

The plant is known to grow between 1.5 and 3 feet tall and their stems may be unbranded of semi-branched. The flower cluster of the plant is said to resemble a paintbrush which gives the plant its common name. The bracts beneath the flower are known to be brightly colored and may be a bright orange, pink or a crimson red. Typically the paint brush will bloom May through Sepetember, however this event is subject to environmental conditions such as altitude and water availability.

The paint brush generally prefers sunlight and moist well drained soils. The root system will connect with and grow into the root system of other planets to harvest nutrients from the host plant. For this reason, they are no able to be transplanted easily.

Native American tribes are known to consume the edible flowers of the paintbrush. The selenium rich flowers were also used as a hair wash by the Ojibwe people. The Owls Clover is a member of the same genus as the Indian Paintbrush.

Wikipedia article of Castilleja.

Mustang (Equus ferus caballus)

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The Wild Mustang (Equus caballus), an enduring symbol of the American frontier, roams the vast, arid expanses of the desert southwest United States as a feral horse population descended from domesticated Spanish horses introduced in the 16th century. These hardy equines, often romanticized in folklore and media, have adapted through natural selection to survive in harsh environments, exhibiting remarkable resilience amid sparse resources and extreme conditions. With populations managed by the U.S. Bureau of Land Management (BLM) to balance ecological sustainability, mustangs embody a complex interplay of history, biology, and conservation in regions like Nevada, Arizona, and New Mexico.

A lone mustang is the symbol of wild, power and freedom
A lone mustang is the symbol of wild, power and freedom

Classification

The Wild Mustang is classified within the kingdom Animalia, phylum Chordata, class Mammalia, order Perissodactyla, family Equidae, genus Equus, and species caballus. Though often referred to as “wild,” mustangs are technically feral horses, descendants of domesticated equines rather than a truly wild subspecies like the extinct North American horses that evolved on the continent millions of years ago. Their ancestry traces primarily to Colonial Spanish horses from the Iberian Peninsula, with mitochondrial DNA studies confirming high frequencies of Iberian haplotypes, though admixtures from other breeds like Thoroughbreds, Quarter Horses, and drafts have occurred over time. Distinct strains, such as the Spanish Mustang or Kiger Mustang, retain stronger Spanish bloodlines, while isolated herds in the desert southwest may exhibit unique genetic traits shaped by geographic separation and natural selection.

Physical Description

Mustangs are compact, medium-sized horses, typically standing 14 to 15 hands high (56 to 60 inches or 142 to 152 cm at the withers) and weighing around 800 pounds (360 kg). They possess a light-riding build with muscular bodies, strong bone structure, and exceptional hardiness, featuring flat or slightly convex head profiles, broad foreheads tapering to fine muzzles, and eyes set slightly higher on the face. Necks are well-defined and attach smoothly to sloping shoulders, with moderately narrow chests, short strong backs, deep heart girths, well-sprung ribs, and smooth round hindquarters. Legs are straight and sound, supported by durable hooves with thick walls, ideal for rugged terrain. Coat colors vary widely, including bay, sorrel, dun, appaloosa, paint patterns, and primitive markings like stripes, though some registries exclude certain patterns like tobiano. Movement is smooth and rhythmic, with the ability to gallop at 25–30 mph (40–48 km/h), and up to 55 mph (88 km/h) in short bursts. In the desert southwest, natural selection favors traits like surefootedness, endurance, and agility for navigating arid landscapes.

Behavior

Wild mustangs are social animals that form structured groups known as bands or herds, typically comprising one dominant stallion (over 6 years old), around eight mares, and their young, led by a head mare who guides the group to safety in threats while the stallion defends from behind. Stallion leadership is dynamic, with challenges from rivals promoting genetic diversity. Communication relies on body language, such as ear positioning, tail swishing, and vocalizations, to convey emotions and maintain hierarchy. They exhibit intelligence, curiosity, and a strong fight-or-flight response honed by survival in harsh environments, making them cautious yet resilient. In the desert southwest, mustangs travel long distances for resources, adapting foraging strategies and mixing with other herds during dangers. Isolated populations may show unique behaviors, like gaited movements or curly coats in Nevada herds, influenced by genetic admixtures. Without significant predators, populations can grow rapidly, leading to overgrazing if unmanaged.

A mustang taking in some shade next to a pool of water.
A mustang taking in some shade next to a pool of water.

Food Sources

As herbivores and hindgut fermenters, mustangs primarily consume grasses, brush, shrubs, and other native vegetation, extracting nutrients from low-quality forage via their cecum—a adaptation allowing survival in arid regions where ruminants like cattle struggle. In the desert southwest, they graze close to the ground on sparse plants, ranging 5–10 times farther than cattle to access food and water, often digging for hydration in dry areas. Their diet requires about 1.5 animal units (AUM) of forage, focusing on soluble fiber while avoiding excess sugars to prevent digestive issues. An average mustang needs around 16 pounds of grass daily, supplemented by minerals and salts in harsh environments. This opportunistic foraging supports their easy-keeper nature, enabling them to thrive on limited resources in deserts and grasslands.

Breeding

Mustangs are viviparous, with mares carrying foals for an 11-month gestation period, typically giving birth in spring (April to June) to align with milder weather and abundant forage for growth. Breeding occurs within isolated herds, where dominant stallions mate with mares, and dynamic challenges ensure genetic diversity, though inbreeding in small populations can lead to issues like reduced heterozygosity and diseases such as PSSM Type 1. Unmanaged herds can grow by up to 20% annually, prompting BLM interventions like fertility control to prevent overpopulation and starvation. Foals are born precocial, able to stand and nurse shortly after birth, and remain with the herd for protection. In the desert southwest, breeding success ties to resource availability, with natural selection favoring resilient offspring in arid conditions. Lifespans in the wild reach up to 36 years, shorter than in captivity.

Two will fed mustangs near Cold Creek, Nevada
Two will fed mustangs near Cold Creek, Nevada

Habitat and Range

Wild mustangs inhabit arid and semiarid public rangelands west of the Continental Divide, including deserts, grasslands, and mountainous terrains, where they adapt to extreme temperatures, scarce water, and sparse vegetation. In the desert southwest United States, populations thrive in states like Nevada (hosting over half of North America’s free-roaming mustangs), Arizona, New Mexico, Utah, and California, managed across 26.9 million acres in Herd Management Areas (HMAs) by the BLM. These areas encompass ecosystems from the Great Basin to the Colorado Plateau, with herds digging for water and migrating seasonally for forage. Total free-roaming numbers exceed 72,000, protected under the 1971 Wild Free-Roaming Horses and Burros Act as living symbols of the West, though overpopulation challenges lead to roundups and adoptions.

BLM Mustang Range Map
BLM Mustang Range Map

Resources

Classification

Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Perissodactyla
Family:Equidae
Genus:Equus
Species:E. ferus
Subspecies:E. f. caballus