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DOI: http://dx.doi.org/10.11646/phytotaxa.127.1.9

Encyonema hamsherae, a new diatom species from the Northern Rocky Mountains, USA

DIANE WINTER, LOREN BAHLS

Abstract


A new species of Encyonema is described from the benthos of small mountain streams and rivers in western Montana and northern Wyoming. Previously this species had been identified incorrectly as E. hebridicum Grunow ex Cleve and Cymbella affinis Kützing or assigned the provisional name Encyonema sp. 1 MONTANA HAMSHER ANSP. Here we formally recognize this taxon as a new species, Encyonema hamsherae.


Keywords


Encyonema hamsherae, diatom, new species

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References


Agardh, C.A. (1830) Conspectus Criticus Diatomacearum. Part 1. Lundae. Litteris Berlingianis, pp. 1–16.

Bahls, L. (1993) Periphyton bioassessment methods for Montana streams. Montana Department of Health and Environmental Sciences; Water Quality Bureau, Helena, Montana, 61 pp.

Charles, D.F, Knowles, C. & Davis, R.S. (2002) Protocols for the analysis of algal samples as part of the U.S. Geological Survey National Water-Quality Assessment Program. Report No. 02–06, Patrick Center for Environmental Research, The Academy of Natural Sciences, Philadelphia, 124 pp.

Cleve, P.T. & Möller, J.D. (1877) Diatoms. Part I, No. 1–48. Esatas Edquists Boktryckeri, Upsala.

Krammer, K. (1997) Die cymbelloiden Diatomeen, Eine Monographie der weltweit bekannten Taxa. Teil 2. Encyonema part, Encyonopsis and Cymbellopsis. Bibliotheca Diatomologica, Band 37. J. Cramer, Berlin/Stuttgart, 469 pp.

Krammer, K. (2002) Cymbella. Diatoms of Europe: Volume 3. A.R.G. Gantner Verlag K.G, 584 pp.

Krammer, K. & Lange-Bertalot, H. (1986) Bacillariophyceae, 1. Teil: Naviculaceae. Band 2 in: Ettl, H., Gerloff, J., Heynig, H. & Mollenhauer, D. (Eds), Süßwasserflora von Mitteleuropa. Gustav Fischer Verlag, Stuttgart, 876 pp.

Kützing, F.T. (1833) Synopsis Diatomacearum oder Versuch einer systematischen Zusammenstellung der Diatomeen. Linnaea 8(5): 529–620, pls. XIII–XIX.

Kützing, F.T. (1844) Die Kieselschaligen. Bacillarien oder Diatomeen. Nordhausen. 152 pp., 30 pls.

McBride, S.A. & Edgar, R.K. (1998) Janus cells unveiled: frustular morphometric variability in Gomphonema angustatum. Diatom Research 13(2): 293–310.
http://dx.doi.org/10.1080/0269249X.1998.9705452

Patrick, R. & Reimer, C. (1975) Diatoms of the United States, exclusive of Alaska and Hawaii, Volume 2, Part 1. Monographs of the Academy of Natural Sciences of Philadelphia, No. 13.


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ISSN 1179-3155 (print); ISSN 1179-3163 (online)

Published by Magnolia Press, Auckland, New Zealand