Photo 45489977, (c) Blaine T. Spellman, some rights reserved (CC BY-NC), uploaded by Blaine T. Spellman

Attribution © Blaine T. Spellman some rights reserved Uploaded by blainespellman Source iNaturalist Associated observations Photos / Sounds 2 photos What Northern Oak Fern (Gymnocarpium dryopteris) Observer blainespellman Date July 16, 2019 12:52 PM AKDT Place Denali County, US-AK, US (Google, OSM) Date Added July 19, 2019 07:57 PM AKDT Description Rounded sori (some green and some black), no indusium. Ternate leaves. All leaves same length 2 IDs Research Grade View Sizes small medium large original