iNaturalist Research Grade Observations
Catalog #: 4897781
Taxon: Lenzites betulina (L.) Fr.
Family: Polyporaceae
Collector: R.J. Adams      
Date: 2016-12-25
Verbatim Date: 2016-12-25
Locality: United States, California, Tomales Bay State Park
38.132072  -122.891082 +-97m.
Georeference Remarks: GEODETIC_DATUM_ASSUMED_WGS84
Description: Original observation #4897781 (iNaturalist)
Occurrence Remarks: Another confusing polypore species pair...This polypore was growing on a decomposing oak log and while the upper surface looks slightly tomentose lake a Gilled Polypore (Trametes betulina), the underside looks especially thick with a more chaotic " gill plate" arrangement, like I would expect from an Oak Mazegill (Daedalea quercina). @leptonia do you have an opinion on this one?
Specimen Images
Rights Holder: © held by the observer (listed as 'Collector') at, with some rights reserved (CC BY-SA)
Record Id: 3a2f9972-2e0f-4258-a710-f1e52d61c4e6
Occurrence ID (GUID):
For additional information on this occurrence, please contact: Ken-ichi Ueda (
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