Stand up for Tahoe!

A global capital venture firm and its partners want to expand development in Palisades Tahoe (formerly Squaw Valley). Stop this by submitting  comments on the Draft EIR (and sign a petition) to Placer County by January 30.


Conservation and Advocacy for Our Native Plants & Their Habitats

The California Native Plant Society is essentially the only organization in California dedicated to the conservation of California native flora. The California Native Plant Society is recognized for its expertise in native plants; it is generally seen as credible in positions and actions that are clearly related to native plants. We lose credibility if others perceive our organization as taking a position on an issue unrelated to native plants.

To preserve our credibility and effectiveness, we focus on issues connected to our mission regarding the conservation of native plants and their habitats. If that connection is not apparent to others in a given case but we recognize and understand it, we must clarity those connections very clearly in our positions, statements, and actions, supported with scientific information.

Facing Threats to Native Plants with Advocacy

In the face of increasing threats, advocacy for native plants, for native plant habitats, and for native plants as parts of larger ecosystems is absolutely necessary. Some threats may be direct and obvious, such as removal of plant populations for development; others are indirect, in issues such as fuel management, weed invasions, decreased water availability, degraded air, water, or soil quality, and climate change. When threats are indirect, CNPS advocates must clearly establish a connection with native-plant conservation. We cannot use such indirect or theoretical connections to justify activities harmful or destructive to native plants and vegetation.

Doing Science-Based Advocacy

Through the state staff, the state programs, and the state-wide network of Chapters, California Native Plant Society provides and supports the best and most up-to-date information and research on California’s native plants, native plant habitats and native plants as parts of larger ecosystems. Making clear the effects of our actions on the conservation of native plants and their habitats is essential to maximizing the value of that science-based advocacy.

Idaho Maryland Mine

Several years ago, Rise Gold Corporation (Rise Gold) applied to Nevada County to reopen the Idaho Maryland Mine (IMM). (The mine shut down in 1956 because of reduced gold productivity.)

Why IMM Matters to CNPS

The Brunswick and Centennial sites of the proposed Idaho Maryland Mine project encompass 10 native plant communities, from montane hardwood and Sierra mixed conifer to annual grasslands, from marsh wetlands to chaparral. Far from being a wasteland despoiled by over 100 years of mining, these sites demonstrate the resilience and critical ecological functions of the native plant communities, wildlife, and aquatic habitat of the Wolf Creek headwaters.

The IMM as proposed would negatively impact these areas in multiple ways. Reopening the mine would require dewatering miles of underground tunnels; that water would run into South Wold Creek, raising it to flood levels for as long as the mine is open. It would dewater the , and it would cover considered related zoning changes, and accumulated approximately 1000 pages in reports from Rise Gold, the County in 2020 hired a consulting firm to prepare a Draft Environmental Impact Report (DEIR) on the proposed project.

What You Can Do Now


The On December 16, the Planning Department of the Nevada County  Community Development Agency issued the Final Environmental Impact Report (FEIR) for the proposed Idaho Maryland Mine (IMM) project. Redbud had submitted comments on the Draft Environmental Impact Report,  focusing on the planned destruction of wetlands habitat as well as other impacts on native plants, but these comments were rejected in their entirety by the FEIR.

Relevant Documents

Comments on DEIR submitted by Redbud

Master Response #4 for IMM DEIR (pp. 80-83)

Master Response #30 and #31 for IMM DEIR (pp. 196-198)

Notice of Final EIR Issued December 16, 2022

Redbud News Articles about IMM

Download these issues of the Redbud News to get more background on the native plats on the IMM site, related environmental issues, and actions Redbud has taken.

January 2023 (Coming soon.)

March 2022

January 2022

September 2021

June 2021

February 2021

April 2020

Relevant Organizations & Information


Our Mission

To conserve California native plants and their natural habitats, and increase understanding, appreciation, and horticultural use of native plants.