Photo 94309611, (c) Ron Vanderhoff, some rights reserved (CC BY-NC), uploaded by Ron Vanderhoff

Attribution © Ron Vanderhoff some rights reserved Uploaded by ronvanderhoff Source iNaturalist Associated observations Photos / Sounds 2 photos What Hornwort (Ceratophyllum demersum var. demersum) Observer ronvanderhoff Date July 15, 2018 11:59 AM PDT Place Laguna Hills, CA, USA (Google, OSM) Date Added September 9, 2020 07:33 AM PDT 2 IDs Research Grade View Sizes small medium large original