Stereocaulon ramulosum




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  • Stereocaulon ramulosum

    18 Nov 2017-37.9,146.4Leuba Ridgway

    These attractive clumps of pale grey lichen were seen on rocks. They appeared to start of as regular clumps with soft tight branches with minute convoluted bluish grey pads. The branches appeared to open up into long pendulous filamentous strands ending in rounded brown apothecia. Spotted on rocks at an altitude of 1200 mts. in a national park (Baw Baw NP) Wondering if this is a species of Cladonia. Any help with an ID will be greatly appreciated. Thanks.

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    1. John Walter  This is Stereocaulon ramulosum - the brownish tips are the spore releasing apothecia and the blue-grey warty lumps are called cephalodia. This species has a dual symbiosis, the fungus and a green alga in the main structure and the fungus and a cyanobacterium in the cephalodia. Hence it represents three different kingdoms!

      Reply • 16 Dec 2017

      • Leuba Ridgway  Thank you very much for the information and ID John- how interesting. I am so pleased I spotted this attractive lichen.

        Reply • 23 Dec 2017

    2. David Francis  Intriguing information. Stereocaulon ramulosum now ready for use in the database. Please add id.

      Reply • 18 Dec 2017

      • Leuba Ridgway  Thank you David. I am pleased I posted it on NS -always get expert help.

        Reply • 23 Dec 2017

    3. John Walter  Stereocaulon ramulosum species id suggested

      Reply • 18 Dec 2017

    4. Leuba Ridgway  Thank you John for adding the ID.

      Reply • 23 Dec 2017