Photo 44783367, (c) Sean Blaney, some rights reserved (CC BY-NC), uploaded by Sean Blaney

Attribution © Sean Blaney some rights reserved Uploaded by seanblaney Source iNaturalist Canada Associated observations Photos / Sounds 3 photos What Spineless Hornwort (Ceratophyllum echinatum) Observer seanblaney Date July 10, 2019 09:54 AM ADT Place Gravenhurst, ON, Canada (Google, OSM) Date Added July 13, 2019 03:12 AM ADT Description Abundant in shallow beaver-created pond between bedrock ridges. 3 IDs Research Grade View Associated taxa CC Spineless Hornwort (Ceratophyllum echinatum) Info Photo (c) Sean Blaney, some rights reserved (CC BY-NC), uploaded by Sean Blaney Sizes small medium large original