Common freshwater algae of the United States: an illustrated key to the genera (excluding the diatoms)
J. Cramer, 14/ago/2008 - 188 pagine
The second revised edition of this manual aims at providing students and less experienced professional aquatic biologists with a key to identify some to the more commonly encountered aquatic freshwater algal genera of the United States. In response to reviewers comments, a brief section on diatoms, a section providing a number of possible of dispositions of the genera into a taxonomic hierarchy and a brief glossary of technical terms have been added in this revised edition. A number of nomenclatural changes is reflected as well.Keys, representative illustrations and general ecological notes are provided for some 300 genera, excluding the diatoms (except for a brief section on them). The keys are based on features observable in freshly collected material.
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Preface to Revised Edition
Bibliography and Literature Cited
aggregated algal apex appearance aquatic Audouinella axial Batrachospermum bogs cell apices Cell enclosed Cell globose Cell shaped otherwise cell wall cell wall remnants Cells adjoined Chlorophyceae chlorophyte chloroplasts colony common commonly reported compressed couplet cyanobacterium described species desmid Desmidiaceae diatoms dinoflagellate distinctive end view epiphyte epiphyte upon filamentous especially in waters False branches filamentous algae flagella Fott Fremy Freshwater Algae GENERA OF SECTION genus granules green algae habitats hair Heterocysts infrequently reported Irenee-Marie lakes and rivers Lemanea lentic habitats lorica low pH macroscopic metaphyton of ditches metaphyton of ponds midregion constriction moist soil mother cell wall mucilaginous sheath mucilaginous strands organically enriched particularly in waters phyton phytoplankton and metaphyton phytoplankton of ponds phytoplankton or metaphyton ponds and lakes posterior end Prescott pyrenoids semicells single species Smith spines stellate stipe Stuttgart substrate surface thallus Thompson Tiffany tufts Ulothrix unbranched usually occurring waters of low Whitford widely distributed Zygnematales