Photo 19571223, (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 7 photos What Britton's Male Fern (Dryopteris filix-mas ssp. brittonii) Observer natemartineau Date June 2018 Place Michigan, US (Google, OSM) Date Added June 11, 2018 10:27 PM EDT 2 IDs Research Grade View Sizes small medium large original