Hidden Biodiversity

The Franciscan manzanita, Arctostaphylos franciscana, is San Francisco's unicorn. The Franciscan manzanita is a subtly charming flowering shrub found nowhere else on Earth. Its tragic history is filled with heroic acts by botanists striving to keep the species alive. In 1906, the specimens first used to identify the species were rescued from the California Academy of Sciences by botanist Alice Eastwood as fires driven by the San Francisco earthquake ravaged the Academy’s collections. In 1947 Alice Eastwood and others stood in front of bulldozers to wrest the last known wild plants from a construction site. The plants were sent to the Tilden botanical garden across the bay, and no one found the plant in the wild again.

But in 2009, ecologist Daniel Gluesenkamp spotted a suspicious shrub in an area being cleared of vegetation for the Doyle Drive road-widening project in San Francisco's Presidio. To the delight of botanists worldwide, the shrub turned out to be a ...more ↓

Posted on March 24, 2014 02:18 PM by kestrel kestrel | 0 comments | Leave a comment
More journal posts

Recent observations View all

Photos / Sounds

Square

What

Crane Flies Suborder Tipulomorpha

Observer

awolfrum

Date

July 29, 2014 12:47 AM PDT

Photos / Sounds

What

Red-eared Slider Trachemys scripta ssp. elegans

Observer

metsa

Date

July 27, 2014 11:14 AM PDT

Description

on edge of Stow Lake

Photos / Sounds

What

Painted Lady Vanessa cardui

Observer

metsa

Date

July 27, 2014

Photos / Sounds

Square

What

Farinose Cartilage Lichen Ramalina farinacea

Observer

metsa

Date

July 27, 2014 12:29 PM PDT

Photos / Sounds

Square

What

False Dandelion Hypochaeris radicata

Observer

metsa

Date

July 20, 2014

Description

growing on rock face

Photos / Sounds

What

Shield Lichens Genus Parmelia

Observer

metsa

Date

July 20, 2014 04:33 PM PDT

Description

On rock, rosette

Photos / Sounds

What

West Coast Lady Vanessa annabella

Observer

metsa

Date

July 20, 2014

Description

there were 4-5 of these flying around the rocks

Photos / Sounds

Square

What

Common Greenshield Lichen Flavoparmelia caperata

Observer

metsa

Date

July 20, 2014 04:51 PM PDT

Description

Pale green

Photos / Sounds

What

maritime sunburst lichen Xanthoria parietina

Observer

metsa

Date

July 20, 2014 05:08 PM PDT

Photos / Sounds

Square

What

California Buckthorn Frangula californica

Observer

metsa

Date

July 20, 2014 05:15 PM PDT

Photos / Sounds

Square

What

California Towhee Melozone crissalis

Observer

metsa

Date

July 20, 2014

Photos / Sounds

Square

What

Bushy Lichens Genus Ramalina

Observer

metsa

Date

July 20, 2014 05:20 PM PDT

Photos / Sounds

Square

What

moths Order Lepidoptera

Observer

metsa

Date

July 20, 2014 04:29 PM PDT

Photos / Sounds

What

Bushy Lichens Genus Ramalina

Observer

metsa

Date

July 20, 2014 04:47 PM PDT

Description

the long one

Photos / Sounds

Observer

metsa

Date

July 20, 2014 04:45 PM PDT

Description

Tiny black hairs

Photos / Sounds

Square

What

Maritime Sunburst Lichen Xanthoria parietina

Observer

metsa

Date

July 20, 2014 04:48 PM PDT

Photos / Sounds

Observer

metsa

Date

July 20, 2014 03:54 PM PDT

Description

Pale green, on rock, very close to rock

Photos / Sounds

Square

What

Orange Bush Monkeyflower Mimulus aurantiacus

Observer

metsa

Date

July 20, 2014 04:27 PM PDT

Photos / Sounds

What

naked buckwheat Eriogonum nudum

Observer

metsa

Date

July 20, 2014 04:06 PM PDT
Fungi

Photos / Sounds

What

Fungi and Lichen Kingdom Fungi

Observer

metsa

Date

July 20, 2014 03:46 PM PDT

Description

on rock

Photos / Sounds

Square

What

Powdery Sea-Fog Lichen Niebla cephalota

Observer

metsa

Date

July 20, 2014 05:44 PM PDT

Description

on dead tree with several other types of lichen (has bluish powdery soralia)

Photos / Sounds

What

Bushy Lichens Genus Ramalina

Observer

metsa

Date

July 20, 2014 05:06 PM PDT

Description

Greener than usual (is this because of algae on the lichen?), on oak tree

Photos / Sounds

What

Rock Shields Genus Xanthoparmelia

Observer

metsa

Date

July 20, 2014 03:43 PM PDT

Description

on rock

Photos / Sounds

Observer

metsa

Date

July 20, 2014 03:45 PM PDT

Description

Grayish yellow

Photos / Sounds

Square

What

English Plantain Plantago lanceolata

Observer

metsa

Date

July 20, 2014 04:07 PM PDT

Description

There is a lot of this here.

Photos / Sounds

What

Armored Sea-Fog Lichen Niebla homalea

Observer

metsa

Date

July 20, 2014 03:36 PM PDT

Description

On rock

Photos / Sounds

Square

What

Beard Lichens Genus Usnea

Observer

metsa

Date

July 20, 2014 05:46 PM PDT

Photos / Sounds

Square

What

Armored Sea-Fog Lichen Niebla homalea

Observer

metsa

Date

July 20, 2014 03:52 PM PDT

Description

on rocks at top of hill

Photos / Sounds

What

maritime sunburst lichen Xanthoria parietina

Observer

metsa

Date

July 20, 2014 05:47 PM PDT

Description

the lighter color is because it is in the shade, per conversation with Shelly Benson (CALS Summer Lichen Workshop with Shelly Benson)

Photos / Sounds

Observer

metsa

Date

July 20, 2014 05:09 PM PDT

Description

On oak, pale green is correct color

there was a lot of this species on this tree. The last photo is another example, which was too high up to examine closely.

could it be Ramalina Leptocarpha??

More observations

About

We live in a diverse city: diverse cultures, diverse neighborhoods, a diverse landscape - and also very diverse in the plants and animals that live here with us! Help us document the biodiversity in San Francisco! In your backyard, in your neighborhood, on your walk to work... let us know what plants and animals you've observed in our city!

2692-mini kestrel created this project on February 05, 2013
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