iNaturalist Research Grade Observations
Catalog #: 5010927
Taxon: Tremella aurantia
Family: Tremellaceae
Collector: Drew T Henderson      
Date: 2017-01-26
Verbatim Date: 2017/01/26 10:28 AM PST
Locality: United States, Washington, 7730 61st Ave NE, Olympia, WA 98506, USA
47.119664  -122.776045 +-9m.
Description: Original observation #5010927 (iNaturalist)
Occurrence Remarks: On Alnus rubra-parasitizing Stereum ostrea. One of the main identifiers and separating factors from other "witches butter" species is the fact that this jelly fungus parasitizes Stereum and fruits on hardwoods. Dacrymyces is similar but occurs solely on conifers and does not have a parasitic fungal associate.
Specimen Images
Rights Holder: © held by the observer (listed as 'Collector') at, with some rights reserved (CC BY-SA)
Record Id: 2222ca49-38c5-4653-925b-eadff8f64fcb
Occurrence ID (GUID):
For additional information on this occurrence, please contact: Ken-ichi Ueda (
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