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 03:18 PM by kestrel kestrel | 0 comments | Leave a comment
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Recent observations View all

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What

Muscovy Duck Cairina moschata

Date

March 12, 2013

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What

Pelicans Genus Pelecanus

Date

September 26, 2014

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What

American Coot Fulica americana

Date

October 19, 2014
Fungi

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What

fungus Kingdom Fungi

Date

October 19, 2014

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Foxglove Digitalis purpurea

Date

October 19, 2014

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What

Poppies Family Papaveraceae

Date

the past

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What

Mallard Anas platyrhynchos

Date

October 19, 2014

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What

Steller's Jay Cyanocitta stelleri

Date

October 19, 2014

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What

Grey Squirrel Sciurus carolinensis

Date

October 19, 2014

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What

Firedots Genus Caloplaca

Observer

metsa

Date

October 18, 2014 03:32 PM PDT

Description

On cement wall of Battery Boutella (built 1901-1917)
Bright orange apothecia with yellow rims

Photos / Sounds

What

Powdery Sea-Fog Lichen Niebla cephalota

Observer

metsa

Date

October 18, 2014 04:20 PM PDT

Description

on twig

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What

Powdery Sea-Fog Lichen Niebla cephalota

Observer

metsa

Date

October 18, 2014 04:15 PM PDT

Description

On fallen limb of dead Monterey Pine

Photos / Sounds

What

Bushy Lichens Genus Ramalina

Observer

metsa

Date

October 18, 2014 04:18 PM PDT

Description

On fallen monterey Pine tree. Soredia on margins, ragged edges (?), possible small apothecia (?) on edges

I'm still working on the ID for this one....

Photos / Sounds

What

Cup Lichens Genus Cladonia

Observer

metsa

Date

October 18, 2014 05:04 PM PDT

Description

On sandy soil, gray color

Photos / Sounds

What

Ruffle Lichens Genus Parmotrema

Observer

metsa

Date

October 18, 2014 04:12 PM PDT

Description

bluish-gray upper surface; black, smooth lower surface, lots of cilia on margins, not able to do any chem tests today

Photos / Sounds

What

Farinose Cartilage Lichen Ramalina farinacea

Observer

metsa

Date

October 18, 2014 05:13 PM PDT

Description

Pale green, soredia on margins and a few on the strands, on coyote bush
Batteries to bluff trail, on stairs
Late afternoon light was making photography difficult....

Photos / Sounds

What

Tube Lichens Genus Hypogymnia

Observer

metsa

Date

October 18, 2014 05:41 PM PDT

Description

flat, dry, dark inside, top and bottom, no apothecia
Connector Trail

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What

Red Beard Lichen Usnea rubicunda

Observer

metsa

Date

October 18, 2014 03:27 PM PDT

Description

Extremely dry, on dead coyote bush, passed pull test

Photos / Sounds

What

Red Beard Lichen Usnea rubicunda

Observer

metsa

Date

October 18, 2014 04:07 PM PDT

Description

On fallen dead Monterey Pine, passed pull test

Photos / Sounds

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What

Red-tailed Hawk Buteo jamaicensis

Observer

metsa

Date

October 18, 2014 04:42 PM PDT

Description

red tailed hawk?

Photos / Sounds

What

English Plantain Plantago lanceolata

Observer

metsa

Date

October 18, 2014 03:37 PM PDT

Description

Trying to grow between cement edges

Photos / Sounds

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What

Orange Bush Monkeyflower Mimulus aurantiacus

Observer

metsa

Date

October 18, 2014

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What

Song Sparrow Melospiza melodia

Observer

robberfly

Date

October 18, 2014

Description

Lots of Birding activity: local Audubon chapter has a huge Volunteer program here.

Photos / Sounds

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What

Anna's Hummingbird Calypte anna

Observer

robberfly

Date

October 18, 2014

Description

Lots of flowering plants here. Thought I'd see more butterflies. Anna's taking advantage of the Pride-of-Madera.

Photos / Sounds

What

Western Gull Larus occidentalis

Observer

robberfly

Date

October 18, 2014

Description

Half the island is closed off each season for the returning 1,100 pairs that breed here: largest west coast rookery for this species.

Photos / Sounds

What

Bushy Lichens Genus Ramalina

Observer

robberfly

Date

October 18, 2014 11:16 AM PDT

Photos / Sounds

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What

Polypody Ferns Genus Polypodium

Observer

robberfly

Date

October 18, 2014 11:50 AM PDT

Description

With all the naturalized, non-natives covering the place, cool to see this native busting out through the ruins...

Photos / Sounds

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What

Orbweavers Family Araneidae

Observer

robberfly

Date

October 18, 2014 12:05 PM PDT

Description

Tons of these between the Labyrinth webs...

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Observer

robberfly

Date

October 18, 2014 12:04 PM PDT

Description

Surprisingly few insects about.

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What

Century Plant Agave americana

Observer

robberfly

Date

October 18, 2014 12:03 PM PDT

Description

My first visit here...and I've lived in SF for 30 years. The agave was planted to thwart small craft landings to help prisoners escape...

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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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