Photos / Sounds

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Observer

c_michael_hogan

Date

April 15, 2014

Description

Seen growing in a shady understory of the riparian zone to a tributary of Sonoma Creek. These plants are around sixty cm high. This plant was seen in bloom, manifesting a yellow corolla and conspicuous disk. The riparian zone is essentially an oak woodland.

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Photos / Sounds

Square

Observer

c_michael_hogan

Date

February 20, 2014

Description

These irises are rooted underwater in this slackwater tributary of Sonoma Creek.

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Photos / Sounds

Observer

c_michael_hogan

Date

April 12, 2014

Description

This non-native to California was seen in a grassy patch among the generally oak woodland dominated landscape. This grass stood at about 55 cm in height.

Tags

Photos / Sounds

What

California buckeye Aesculus californica

Observer

c_michael_hogan

Date

April 12, 2014

Description

This Buckeye tree was seen fully leafed out and recently in bloom.

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Photos / Sounds

What

English walnut Juglans regia

Observer

c_michael_hogan

Date

April 12, 2014

Description

This English walnut was cultivated possibly as early as the Jack London era.

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Photos / Sounds

Square

Observer

c_michael_hogan

Date

April 12, 2014

Description

This foliose lichen was seen on a native Northern California black walnut tree in the Jack London State Historical Park. The tree is living and the branch of residence is about 180 cm above the ground.

Photos / Sounds

What

Northern California Black Walnut Juglans hindsii

Observer

c_michael_hogan

Date

April 12, 2014

Description

This Northern California black walnut was seen on higher ground in a grassland area.

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Photos / Sounds

Observer

c_michael_hogan

Date

April 12, 2014

Description

Several of these W. glabra were seen on a sunny exposure of Jack London State Park. The plant heights were about forty cm high.

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Photos / Sounds

What

Dusky-footed Woodrat Neotoma fuscipes

Observer

c_michael_hogan

Date

April 12, 2014

Description

This nest was constructed by the Dusky-footed woodrat within an oak woodland. The nest not only serves as shelter, but also as a foodstore, such as acorn cache. The dome shaped structure stands about 170 cm high.

Photos / Sounds

Observer

c_michael_hogan

Date

April 12, 2014

Description

These two amanitas were just pushing up through the soil surface at the edge of an oak woodland.

Photos / Sounds

What

Western Toad Anaxyrus boreas

Observer

teresavignale

Date

April 11, 2014 01:57 PM PDT

Photos / Sounds

Square

Observer

c_michael_hogan

Date

April 12, 2014

Description

Seen growing near the trail to the Wolf House. The arching, viny branches created an overall plant height of about 110 cm, and the leaf length was around four cm.

Photos / Sounds

Square

What

Bordered Plant Bugs Family Largidae

Observer

c_michael_hogan

Date

April 12, 2014

Description

Seen on the trail to the Wolf House.

Photos / Sounds

Square

Observer

c_michael_hogan

Date

April 12, 2014

Description

Seen in bloom along a main trail in a sunny exposure.

Tags

Photos / Sounds

Square

What

Indian Warrior Pedicularis densiflora

Observer

c_michael_hogan

Date

April 12, 2014

Description

Seen in bloom in a shady area of the oak woodland. This species is a hemi-parasite, probably parasitizing the roots of the Quercus garryana shading it.

Photos / Sounds

What

American Vetch Vicia americana

Observer

c_michael_hogan

Date

April 12, 2014

Description

This blooming vetch was seen sprawling in a grassy patch not far from the main trail. It had a height of about thirty cm and a breadth of around fifty five cm.

Photos / Sounds

Square

What

Pipevine Swallowtail Butterfly Battus philenor

Observer

icosahedron

Date

April 12, 2014 12:50 AM PDT

Description

Checking each other out...

Photos / Sounds

Square

What

California Sister Adelpha californica

Observer

icosahedron

Date

April 13, 2014 12:40 AM PDT

Photos / Sounds

Square

What

fritillaries Genus Fritillaria

Observer

c_michael_hogan

Date

April 12, 2014

Description

This fritillary was seen going to seed.

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Photos / Sounds

What

Larkspurs Genus Delphinium

Observer

c_michael_hogan

Date

April 12, 2014

Description

Seen in bloom in a sloping shady area of the mixed oak woodland.

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Photos / Sounds

Square

Observer

c_michael_hogan

Date

April 12, 2014

Description

Seen in bloom not far from the trail.

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Photos / Sounds

What

Tangier pea Lathyrus tingitanus

Observer

c_michael_hogan

Date

April 12, 2014

Description

Seen in bloom among grasses in a sunny area.

Photos / Sounds

Observer

c_michael_hogan

Date

April 12, 2014

Description

This square stemmed plant was in bloom, and it stood about 17 cm high.

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Photos / Sounds

Square

Observer

c_michael_hogan

Date

April 12, 2014

Description

Seen growing prolifically on the branch of a living oak tree.

Photos / Sounds

Observer

c_michael_hogan

Date

April 12, 2014

Description

Seen in bloom in a sunny grassy area near an oak woodland.

Tags

Photos / Sounds

What

red larkspur Delphinium nudicaule

Observer

icosahedron

Date

April 12, 2014 08:13 AM PDT

Photos / Sounds

What

Western Azalea Rhododendron occidentale

Observer

icosahedron

Date

April 12, 2014 09:14 AM PDT

Photos / Sounds

Observer

c_michael_hogan

Date

April 12, 2014

Description

Seen growing on a fallen oak log, this specimen exhibits gills.

Photos / Sounds

What

Scarlet Fritillary Fritillaria recurva

Observer

icosahedron

Date

April 12, 2014 11:35 AM PDT

Photos / Sounds

Observer

icosahedron

Date

April 12, 2014 08:57 AM PDT