Summary[edit] Description: English: orchid: Waratah Track, Ku-ring-gai Chase National Park, Australia. Probably Orthoceras strictum. Date: 22 November 2010. Source: Own work. Author: Poyt448 Peter Woodard.
Summary[edit] Description: English: Orthoceras strictum (yellowish-green form) in the Cathedral Rock National Park. Date: 3 January 2018, 11:30:35. Source: Own work. Author: Geoff Derrin.