Photo 44951043, (c) Nate Martineau, some rights reserved (CC BY-NC), uploaded by Nate Martineau

Attribution © Nate Martineau some rights reserved Uploaded by natemartineau Source iNaturalist Associated observations Photos / Sounds 4 photos What Intermediate Oak Fern (Gymnocarpium × intermedium) Observer natemartineau Date July 2019 Place Marquette County, US-MI, US (Google, OSM) Date Added July 14, 2019 05:01 PM EDT Description Very common. Few glands + intermediate morphologically between the parent species. 2 IDs Research Grade View Sizes small medium large original