Tag Archives: natural history

Cotton Grass

This gallery contains 9 photos.

Last May Leonard and I discovered what we thought was a member of the Sedge Family growing in a boggy area just west of the covered bridge on Howland Hill Road near the boundary of Jedediah Smith Redwoods State Park … Continue reading

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Q tips

This gallery contains 7 photos.

The inflorescences of Sunflower Family (Asteraceae) members are called heads. Heads are complex and consist of many flowers situated on a receptacle and surrounded by involucral bracts called phyllaries. Each individual flower on the head may be surrounded by papery … Continue reading

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Coast Reindeer Lichen

This gallery contains 6 photos.

A lichen is a fungus (think mushroom) that “cultivates” species specific algae (or  sometimes cyanobacteria) within itself. The algae photosynthesize and provide the fungus nutrients. In turn, the fungus provides a “home” and protection to the algae. There are about … Continue reading

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Pod Fern

This gallery contains 6 photos.

Ultramafic rocks can be either igneous or metamorphic. They are characterized by a very low silica content (<45%), high magnesium and iron content and low potassium. Serpentine soils, which are rather rare and localized in distribution, are derived from ultramafic … Continue reading

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Oak Apple Gall

This gallery contains 8 photos.

There are over 150 species cynipid wasps that induce galls on California oaks. Barely the size of fruit flies, these wasps cause some of the most exotic plant galls displaying a variety of shapes (conical, spherical, stalked, disc-shaped, spiny, etc.) … Continue reading

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Huckleberry Oak

This gallery contains 8 photos.

Huckleberry oaks (Quercus vacciniifolia) are prostrate to low shrubs. They can be spreading or erect, growing up to 5 feet in height. These evergreen shrubs grow on cliffs, ridges, rocky slopes and shallow soils, including serpentine soils, in montane and … Continue reading

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Redwood Needles and Cones

This gallery contains 6 photos.

Since my last post about coast redwoods (see “Redwood Longevity”  from 10-14-18) Leonard and I spent several days amid the coast redwoods (Sequoia sempervirens) on the Northern California Coast. On this trip I collected some mature redwood cones. While staring … Continue reading

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