Blidingia Marginata 50.470 (J Agardh) P Dangeard

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Blidingia Marginata 50.470 (J Agardh) P Dangeard Blidingia marginata 50.470 (J Agardh) P Dangeard MICRO tubular Techniques needed plant shape PLANT compressed Classification Phylum: Chlorophyta; Order: Ulvales; Family: Ulvaceae *Descriptive name false mangrove Enteromorpha Features 1.plants grass green in tangled masses about 20mm tall of thin threads grow on the basal parts of samphires and mangroves or in shaded intertidal regions 2. each plant grows from a basal pad Special requirements 1. view the relatively small cells (6-9m across) in lines along the tubular branches 2. chloroplasts are single and central in each cell and have a single pyrenoid (difficult to see microscopically) ! Diagnosis can be difficult 3. threads are cylindrical and hollow Occurrences from southern W Australia and St Vincent Gulf, S Australia (probably more widespread according to Womersley) Usual Habitat in calm situations on the basal parts of samphires, mangroves or in shallow intertidal pools Similar Species Enteromorpha species (especially E. ralfsii, E. paradoxa) but cells of Blidingia are very small, and threads are anchored to the substrate by a pad of tissue (not by rhizoids) Description in the Benthic Flora Part I, pages 137, 139, 150-151 Details of Anatomy 1,2 specimens of Blidingia marginata (slide 7563) stained blue and viewed microscopically 1. mass of tubular filaments, showing some branching 2. detail of tubular branches, showing lines of small cells * Descriptive names are inventions to aid identification, and are not commonly used “Algae Revealed” R N Baldock, S Australian State Herbarium, October 2003 Blidingia marginata (J Agardh) P Dangeard, (A16080b) from Ardrossan, S Australia in the mid-intertidal * Descriptive names are inventions to aid identification, and are not commonly used “Algae Revealed” R N Baldock, S Australian State Herbarium, October 2003 .
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