Newly describedGomphonemaandGomphospheniafrom Rocky Mountain Front Range streams, Colorado, USA, with additional discussion of rarely reported taxa
| Autor: | Jennifer A. Ress, Evan W. Thomas, J. Patrick Kociolek |
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| Rok vydání: | 2016 |
| Předmět: |
0106 biological sciences
0301 basic medicine Ecological niche education.field_of_study Ecology 010604 marine biology & hydrobiology Population STREAMS 030108 mycology & parasitology Aquatic Science Biology 01 natural sciences 03 medical and health sciences Taxon Taxonomy (biology) Gomphonema exilissimum education |
| Zdroj: | Diatom Research. 31:51-62 |
| ISSN: | 2159-8347 0269-249X |
| DOI: | 10.1080/0269249x.2016.1141802 |
| Popis: | A new species of Gomphonema, G. capsulare, and a new species of Gomphosphenia, G. praegnans, are described from samples collected from two streams in the Front Range of the Colorado Rocky Mountains. Gomphonema capsulare is small with linear valve margins and its stigma lies very close to the centre of the valve. Gomphosphenia praegnans is very small with widely lanceolate-clavate valves readily distinguishing it from other described Gomphosphenia species. In addition to the two new species, two other species in the same genera were also identified from these samples, Gomphonema exilissimum (Grunow) Lange-Bertalot & E. Reichardt in Lange-Bertalot & Metzeltin and Gomphosphenia americana Kociolek & E.W. Thomas in Kociolek et al. This paper provides the first images and morphological description of a population of G. exilissimum from North America. Gomphonema exilissimum is morphologically similar to G. parvulum (Kutzing) Kutzing but has a different ecological niche. Documentation of G. americana in this pape... |
| Databáze: | OpenAIRE |
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