Red Rock Sunflower: Endangered Species Protection Sought in Las Vegas

Environmental groups have petitioned the U.S. Fish and Wildlife Service to protect the Red Rock sunflower (Helianthus devernii), a Las Vegas-area plant with fewer than 1,000 individuals, threatened by heavy recreation, drought, invasive species and habitat degradation.

Overview

The Red Rock sunflower, Helianthus devernii, is endemic to Calico Basin in Red Rock Canyon National Conservation Area near Las Vegas. Environmental groups contend the species faces a high risk of extinction because it exists in a tiny area and depends on spring-fed groundwater.

Discovery and description

First detected during botanical surveys in 2007, the Red Rock sunflower was later recognized as a new species. It is a small perennial herb with a bright yellow, slightly lopsided flower that occupies less than an acre of habitat around three alkaline desert springs in Calico Basin (coverage; petition).

Because the plant depends on spring-fed groundwater, any change to springs or surrounding soil can rapidly reduce its ability to survive and reproduce — a key reason conservationists call it at high risk.

Threats on busy public lands

Calico Basin is one of the most visited sections of Red Rock Canyon; visitors hike, climb, ride horses and sightsee. Petitioners point to nearly 3 million visits a year as a driver of informal trails, plant trampling, soil compaction and invasive-weed spread. The petition notes there are no permanent fences protecting the plant populations (petition; coverage).

Long-term drought and falling groundwater levels threaten the springs that sustain the sunflower. Wildfire risk, invasive species and impacts from feral horses and burros further increase the chance that one catastrophic event could wipe out the entire species.

Land ownership and management limits

Approximately 55–57% of the sunflower’s habitat is on Bureau of Land Management (BLM) public lands; the remainder sits on private inholdings within the conservation area. That split complicates coordinated protection because much of the plant population lies on private land, requiring cross-ownership cooperation for effective on-the-ground management (petition; article).

Petitioners argue that state protections lack sufficient funding and reach, while federal listing could unlock funds and enforcement tools — such as fencing, restoration, and targeted visitor management.

State status and federal review

Nevada listed the Red Rock sunflower as Critically Endangered in late 2024. The petitioners asked the U.S. Fish and Wildlife Service on Feb. 10, 2026, to list the plant under the Endangered Species Act; the agency must make a preliminary 90-day finding on whether listing is warranted (petition).

If the 90-day finding is positive, the process would move to a more detailed review that could lead to formal ESA protections and recovery planning.

Voices from the field

“These charmingly lopsided sunflowers are already incredibly rare, and without federal protection they could vanish from the face of the Earth. It’s lucky that the Red Rock sunflower grows on public lands safe from development, but they’re not protected from visitors. We need fast action to make sure this beautiful species doesn’t disappear on our watch.”
— Megan Ortiz, staff attorney, Center for Biological Diversity (press release)

Michelle St. Angelo, executive director of Save Red Rock, said the plant “needs an army of advocates and stewards.” Her group has worked on trail projects and education and argues federal backing could scale those efforts (coverage).

What listing could mean on the ground

Federal listing under the ESA would require agencies to consult on actions that might harm the sunflower or its habitat. That could influence trail placement, local development, and water projects that alter groundwater. It could also open grants for:

Protective fencing around spring sites
Invasive species removal and replanting
Monitoring and staffing for visitor management
Cooperative actions with private landowners

Reporting and public reaction

Local conservation partners and outdoor user groups differ on approaches. Some worry strict federal rules could limit recreation and tourism; others favor modest, targeted measures — better trail routing, signage, volunteer stewards and fencing — to protect sensitive plants while preserving access (KNPR coverage; phys.org).

Broader implications

Economic: Red Rock Canyon supports local tourism tied to nearly 3 million annual visits; changes tied to protections could alter visitor patterns but federal funds might also protect the scenic values that draw tourists (visitor figure source).

Political: A federal listing could intensify debate over federal authority on public lands and spark discussions among state leaders and Congress about BLM and Fish and Wildlife Service roles (petition).

Social and cultural: Local residents, recreationists and Indigenous groups may encounter new restrictions but also opportunities for stewardship programs and volunteer engagement to protect a unique regional symbol.

Practical steps for land managers and visitors

Managers could implement protective fencing, reroute or harden trails, expand volunteer crews, and work with private owners on easements or incentives. Simple actions visitors can take now include:

Stick to marked trails and avoid unofficial routes
Avoid spring and riparian areas where the sunflower grows
Keep horses on established paths
Join local stewardship events to help monitoring and restoration

Sources

What’s next: The U.S. Fish and Wildlife Service’s 90-day review will determine whether the Red Rock sunflower enters a formal ESA listing process that could reshape management, visitor access and conservation funding for this tiny Las Vegas rare flower.

States

More