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31 May 2016

Yosemite IV: Glacier Point

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Looking southwest into Tenaya Canyon with Yosemite Valley in the distance. I took a quick weekend trip to Yosemite this month. The wat...
22 May 2016

Mill Creek at Big Sur

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Macrocystis pyrifera (giant kelp) growing in a shallow pool in the intertidal. Big Sur is one of my favorite places along the northea...
24 April 2016

Incredible plants: Pleurophycus gardneri

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Pleurophycus gardneri sporophyte with Laminaria setchellii and other seaweeds on low intertidal rocks at Glass Beach, Fort Bragg, CA, Apri...
18 April 2016

Adaptations of the Cactaceae

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Cacti are iconic plants of desert environments. These succulent plants occur in the family Cactaceae. There are about 1800 species worldwid...
20 March 2016

Death Valley blooms

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Geraea canescens (Desert Gold), the most common wildflower species at low elevations in Death Valley National Park. Photo taken at Devi...
21 February 2016

Incredible plants: Costaria costata

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Small sporophytes of Costaria costata in an intertidal pool at Carmel Pt., Monterey Co., CA, June 2014. Kelps are undoubtedly one of...
08 February 2016

The most isolated islands

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More than any other factor, isolation has shaped the community of organisms present on the Hawaiian Islands . At least this is a reasonable...
10 January 2016

Ice textures

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Last weekend, in response to a request for a snow day from the kids, we drove up into the Sierras to Bear Valley near the intersectio...
03 January 2016

Incredible plants: 'ohi'a lehua

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'Ohi'a lehua (left) with Kilauea caldera and its venting volcanic gases in the background. The ‘ohi’a lehua, Metrosideros polym...
20 December 2015

Notes on some sea urchins of Hawaii

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Map of the Big Island with intertidal and subtidal sites I visited this fall. Map modified from this source . Sea urchins were one of ...