Classification
Within iNaturalist.org

All Names

  • English
    • Witches' Butter
    • Witch's Butter
    • Yellow Brain-fungus
  • Scientific Names
    • Tremella mesenterica
    • Tremella lutescens

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Recent observations

Photos / Sounds

Square

What

Witch's Butter Tremella mesenterica

Observer

anudibranchmom

Date

January 28, 2015 09:46 AM PST

Photos / Sounds

What

Witch's Butter Tremella mesenterica

Observer

muir

Date

January 4, 2015 11:48 AM EST

Photos / Sounds

Square

What

Witch's Butter Tremella mesenterica

Observer

lg_price

Date

January 24, 2015 01:28 PM CST

Description

on hardwood

Photos / Sounds

Square

What

Witch's Butter Tremella mesenterica

Observer

wendy5

Date

January 24, 2015

Description

This was a thick batch of Tremella mesenterica or Witch’s Butter growing along a moss-covered log in the Hansville Greenway Wildlife Corridor. The largest glob was about 1 1/2" diameter, and it felt like firm jello.

Tags

Photos / Sounds

What

Witch's Butter Tremella mesenterica

Observer

ceciliateennat

Date

January 24, 2015

Description

Found on the side of a trail in a transition area between a mostly dense Doug fir/oak woodland and more sparse oak woodland. The fungus was found on a stump and was about 3 inches long. It hadn't rained in the area (California drought) for a while so the fungus was dry.

Photos / Sounds

Date

January 19, 2015

Photos / Sounds

Square

What

Witch's Butter Tremella mesenterica

Observer

rangervic

Date

January 4, 2015 10:38 AM PST

Description

Orange gooey fungus.

Photos / Sounds

Square

What

Witch's Butter Tremella mesenterica

Observer

rangervic

Date

January 15, 2015 12:36 PM PST

Description

Orange slimy fungus

Photos / Sounds

What

Witch's Butter Tremella mesenterica

Observer

anudibranchmom

Date

January 15, 2015 09:49 AM PST

Photos / Sounds

16254769031_7bb3dfeea7_s

What

Witch's Butter Tremella mesenterica

Observer

finatic

Date

January 7, 2015 12:00 PM PST

Description

Clark County, Nevada, US

Photos / Sounds

Square

What

Witch's Butter Tremella mesenterica

Observer

dpom

Date

January 9, 2015 02:23 PM PST

Photos / Sounds

What

Witch's Butter Tremella mesenterica

Observer

annwf

Date

December 31, 2014 03:36 PM EST
View all observations

Description from Wikipedia

Tremella mesenterica (common names include yellow brain, golden jelly fungus, yellow trembler, and witches' butter) is a common jelly fungus in the Tremellaceae family of the Agaricomycotina. It is most frequently found on dead but attached and on recently fallen branches, especially of angiosperms, as a parasite of wood decay fungi in the genus Peniophora. The gelatinous, orange-yellow fruit body of the fungus, which can grow up to 7.5 cm (3.0 in) diameter, has a convoluted or lobed...

No range data available.