Viewing: Plants

Apr 9

April 9, 2017

Rhodoliths

As divers, we see all different kinds of marine algae underwater, but identifying the species can be tricky for most of us. There are greens, browns, reds and even blue-greens. Then there are Dinoflagellates (Division Dinophyta) and different seagrasses (Angiosperms). Algae at Rapid Bay jetty March 2017 (Taken by Steve Reynolds) Green algae belong to the Division Chlorophyta. Brown algae belong to the Class Phaeophyceae of the Division Heterokontophyta (Phaeophyta). Red algae belong to the Division Rhodophyta. Blue-green algae belong…

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Mar 18

March 18, 2017

Jessie Hussey’s contribution to the knowledge of SA’s marine flora

According to the web page found at http://know.ourplants.org/news/jessey-hussey-inspires-school-teachers/  Jessie Hussey made a “significant and pioneering contribution to the knowledge of South Australia’s terrestrial and marine flora during the 1890s. She became a respected collaborator of many leading national and international botanists and phycologists”. According to the web page found at http://www.cpbr.gov.au/biography/hussey-jessie.html , Jessie Hussey was recruited by Baron Ferdinand von Mueller in 1893 to collect marine algae specimens in the Encounter Bay area. She sent large numbers of algae (and…

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Aug 27

August 27, 2015

South Australia’s four native Blue Devil species

David Muirhead says that South Australia actually has four native blue devil species! He says that these are: – #1:Paraplesiops meleagris : Southern Blue Devil #2:Paraplesiops alisonae : Alison’s Blue Devil #3:Eryngium rostratum : Blue devil #4:Eryngium vesiculosum : Prostrate Blue devil (aka Prickfoot) David adds, “Actually SA has 5-6 native species of blue devil, but I’ve not listed Eryngium plantagineum (Long eryngium) and Eryngium supinum (Little devil) as both occur in SA only in the Lake Eyre basin, with…

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