Photo 54522847, (c) David Greenberger, some rights reserved (CC BY-NC-ND), uploaded by David Greenberger

Attribution © David Greenberger some rights reserved Uploaded by dgreenberger Source iNaturalist Associated observations Photos / Sounds 3 photos What Cliff Sword Fern (Polystichum imbricans ssp. curtum) Observer dgreenberger Date October 19, 2019 12:32 PM PDT Place Palmdale, CA 93550, USA (Google, OSM) Date Added October 20, 2019 07:27 AM PDT 2 IDs Research Grade View Sizes small medium large original