Prasiola Stipitata 50.490 Suhr in Jessen Foliose MICRO Techniques Needed and Plant Shape PLANT

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Prasiola Stipitata 50.490 Suhr in Jessen Foliose MICRO Techniques Needed and Plant Shape PLANT Prasiola stipitata 50.490 Suhr in Jessen foliose MICRO Techniques needed and plant shape PLANT Classification Phylum: Chlorophyta; Order: Prasiolales; Family: Prasiolaceae *Descriptive name stalked Guano-blades (referring to the shape and usual habitat in bird colonies) Features plants dark-green, of small flat blades (1-4mm long) on short stalks, forming dark, flakey coatings on rock in bird colonies Variations blades may be ruffled at the margins Special requirements 1. view the small box-shaped cells in packets of 4 that run in lines 2. young blades may consist of single cell rows (uniseriate) Occurrences a cold-temperate species of N hemisphere, also Chile, New Zealand and in Victoria and Tasmania Usual Habitat on rock in bird colonies Similar Species large plants are similar to Enteromorpha or immature Ulva, or Ulvaria but the small cells are in characteristic groups or packets of 4 in Prasiola. Young (uniseriate) blades look like Rosenvingiella but that genus has cylindrical branches Description in the Benthic Flora Part I, pages 162,163,165 Details of Anatomy 1 2. 3. Prasiola stipitata (slide 071) stained blue and viewed microscopically at different magnifications 1. whole plant showing a cluster of blades about 1mm long and of different widths 2. young blades showing the rows and packets of cells characteristic of the genus 3. cell detail, showing the characteristic grouping into packets of 4 * Descriptive names are inventions to aid identification, and are not commonly used “Algae Revealed” R N Baldock, S Australian State Herbarium, October 2003 4. 5. 4. Prasiola stipitata Suhr in Jessen, (A53836), from Recherche Bay, W Australia, in a bird colony 5. surface view of a blade (slide 071) stained blue and viewed microscopically to show cells in groups of 4 * 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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