Globally Critically imperiled (G1) (Source: NatureServe)

Classification
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All Names

  • Scientific Names
    • Calochortus tiburonensis
  • English
    • Tiburon mariposa lily

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Recent observations

Photos / Sounds

Square

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

loarie

Date

June 5, 2016 04:12 PM PDT

Place

(Somewhere...)

Photos / Sounds

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

nkers

Date

May 22, 2016 12:28 PM PDT

Place

(Somewhere...)

Photos / Sounds

No photos or sounds

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

tlim

Date

May 29, 2016 11:41 AM PDT

Place

(Somewhere...)

Photos / Sounds

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

direbecca

Date

May 26, 2016

Place

(Somewhere...)

Description

What a treasure. :)

Photos / Sounds

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

rebeccafay

Date

May 22, 2016 02:27 PM PDT

Place

(Somewhere...)

Photos / Sounds

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

aschlosser

Date

May 16, 2016 10:52 AM PDT

Place

(Somewhere...)

Photos / Sounds

Square

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

dgreenberger

Date

May 16, 2016 10:57 AM PDT

Place

(Somewhere...)

Photos / Sounds

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

sciencebabe

Date

May 24, 2015 10:47 AM PDT

Place

(Somewhere...)

Photos / Sounds

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

metsa

Date

May 8, 2016

Place

(Somewhere...)

Description

Such an honor to see this beautiful flower, the only one @robberfly and I saw today. Thx robberfly!!

Photos / Sounds

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

robberfly

Date

May 8, 2016 12:44 PM PDT

Place

(Somewhere...)

Description

Was excited to show @metsa this extraordinary Bay Area plant. Discovered only in 1971. Found one in bloom! But many friends looking for it.

Photos / Sounds

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

hunterbreck

Date

May 5, 2016 10:49 AM PDT

Place

(Somewhere...)

Photos / Sounds

What

Tiburon mariposa lily Calochortus tiburonensis

Observer

chopsuei3

Date

May 24, 2015

Place

(Somewhere...)

Description

Living on Ring Mountain, Marin County, California, USA

View all observations

Description from Wikipedia

Calochortus tiburonensis, the Tiburon Mariposa Lily, is a rare member of the genus Calochortus in the family Liliaceae. It is endemic to Marin County, California, where it is known only from one population on Ring Mountain. There it occurs on a single serpentine outcrop in grasslands from 50–150 metres (160–490 ft) in elevation....

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Conservation Summary

  • Globally
    Critically imperiled (G1) (Source: NatureServe)
    Critically Imperiled. Narrowly endemic to serpentine grasslands on a single summit on the Tiburon Peninsula in Marin County, California. The single population is located within a preserve.
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