Spring Mount Sutro Nature Walks

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Mount Sutro Nature Walks are back! Join us for a guided spring nature walk on the Mount Sutro Open Space between March and May! Our experienced leaders will lead you through the trails on a two-hour tour on a variety … Read more

Green Biome

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Joanna Garaventa will present an overview of the Green Biome Institute, its areas of focus, and an example of how population genetic analyses can help preserve rare plant species. Joanna has years of experience as a project leader for complex … Read more

Sign Hill Stewards: Habitat Restoration

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(desplácese hacia abajo para obtener información en español) Many rare plant and animal species live on Sign Hill’s native grasslands, including the endangered mission blue butterfly. Help us conserve and restore their habitat by installing native plants and removing invasive … Read more

Sign Hill Stewards: Habitat Restoration

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(desplácese hacia abajo para obtener información en español) Many rare plant and animal species live on Sign Hill’s native grasslands, including the endangered mission blue butterfly. Help us conserve and restore their habitat by installing native plants and removing invasive … Read more

redwoods and stars

The Generosity of Trees

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I find myself awakening to the wonder of time — the deep, slow, earth-time of trees, and dirt, and rocks — and to the aching grief of human greed and misunderstanding.

fasciated poison oak

Fasciated Plants and Where to Find Them in the Wild

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What is this weird belt-like growth on poison oak? Fasciated plants have fascinated humans for thousands of years due to their gnarled and belt-like growth patterns on stems or bizarrely elongated flowers. Fasciation has been documented in over 107 plant … Read more