April 10, Wednesday. 7:30 pm “From Bees to Hummingbirds: Convergent Evolution in Penstemon Flowers.” Among penstemons, hummingbird pollination has evolved from bee pollination over a dozen times. Retired ecology and evolution professor Paul Wilson will discuss these two pollination syndromes involving color, nectar rewards, and dispensing of pollen, and he will explore the rate … [Read more...] about From Bees to Hummingbirds: Convergent Evolution in Penstemon Flowers
Programs
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Restoring Dunes and Salt Marsh at Ocean Ranch and Coastal Prairie on Table Bluff
Wednesday, March 13 Reversing the effects of invasive cordgrass and beachgrass at Ocean Ranch Unit of the Eel River Wildlife Area was the task tackled by California Department of Fish and Wildlife and partners. Ecological restorationist Kelsey McDonald will tell us how they did it and, after one year, "Is it working?" Reversing the effects of lack of disturbance on the nearby … [Read more...] about Restoring Dunes and Salt Marsh at Ocean Ranch and Coastal Prairie on Table Bluff
California Desert Plants: Ecology and Diversity
Wednesday – February 14 The desert areas of California include the northwestern portion of the Sonoran Desert, the largest part of the Mojave Desert, and the western margin of the Great Basin. Michael Kauffmann, co-author of California Desert Plants (Backcountry Press 2022) will take us on a journey to explore these vast and intimate desert landscapes through their … [Read more...] about California Desert Plants: Ecology and Diversity
How to Use Natural History and Population Modeling to Save an Endangered Milkvetch, and other Similar Species
A recently graduated Master's student at Cal Poly Humboldt, Sean Stewart, will present his findings on the difficult life of Applegate's milkvetch (Astragalus applegatei). Once believed extinct, A. applegatei, was rediscovered in the 1980s in and around Klamath Falls, Oregon despite massive changes to its historical habitat. While little is known about this plant, the … [Read more...] about How to Use Natural History and Population Modeling to Save an Endangered Milkvetch, and other Similar Species
Native Plant Show-and-Tell
Evening Program, Wednesday, December 13, 7:30 pm Join us for a fun evening of wildflower pictures taken by Chapter members Don Hollander, Gail Kenny, Tony LaBanca, Mary Ann Machi, and Paul Wilson. This program will include plants from Del Norte County and southern Oregon, Redwood National Park, Horse Mountain, southern Humboldt, various CNPS field trips, the eastern Sierra, … [Read more...] about Native Plant Show-and-Tell