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Jeffrey R. Johansen
Jeffrey R. Johansen
Professor of Biology, John Carroll University
E-mail confirmado em jcu.edu
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Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach
J Komárek, J Kaštovský, J Mareš, JR Johansen
Preslia 86 (4), 295-335, 2014
11592014
Microbiotic crusts and ecosystem processes
RD Evans, JR Johansen
Critical reviews in plant sciences 18 (2), 183-225, 1999
5121999
Cryptogamic crusts of semiarid and arid lands of North America
JR Johansen
Journal of phycology 29 (2), 140-147, 1993
4611993
Is the 16S–23S rRNA internal transcribed spacer region a good tool for use in molecular systematics and population genetics? A case study in cyanobacteria
SL Boyer, VR Flechtner, JR Johansen
Molecular biology and evolution 18 (6), 1057-1069, 2001
4502001
Molecular and morphological characterization of ten polar and near‐polar strains within the Oscillatoriales (Cyanobacteria) 1
DA Casamatta, JR Johansen, ML Vis, ST Broadwater
Journal of phycology 41 (2), 421-438, 2005
2732005
Filamentous cyanobacteria
J Komárek, JR Johansen
Freshwater Algae of North America, 135-235, 2015
2622015
Recognizing cyanobacterial diversity through adoption of a new species paradigm
JR Johansen, DA Casamatta
Algological studies 117 (1), 71-93, 2005
2302005
Morphological and molecular characterization of selected desert soil cyanobacteria: three species new to science including Mojavia pulchra gen. et sp. Nov.
K Řeháková, JR Johansen, DA Casamatta, L Xuesong, J Vincent
Phycologia 46 (5), 481-502, 2007
2252007
A UNIQUE PSEUDANABAENALEAN (CYANOBACTERIA) GENUS NODOSILINEA GEN. NOV. BASED ON MORPHOLOGICAL AND MOLECULAR DATA1
RB Perkerson III, JR Johansen, L Kovacik, J Brand, J Kaštovský, ...
Journal of Phycology 47 (6), 1397-1412, 2011
2182011
Seven new species of Oculatella (Pseudanabaenales, Cyanobacteria): taxonomically recognizing cryptic diversification
K Osorio-Santos, N Pietrasiak, M Bohunická, LH Miscoe, L Kováčik, ...
European journal of phycology 49 (4), 450-470, 2014
2122014
PHYLOGENY AND GENETIC VARIANCE IN TERRESTRIAL MICROCOLEUS (CYANOPHYCEAE) SPECIES BASED ON SEQUENCE ANALYSIS OF THE 16S rRNA GENE …
SL Boyer, JR Johansen, VR Flechtner, GL Howard
Journal of phycology 38 (6), 1222-1235, 2002
2092002
Coleofasciculus gen. nov.(Cyanobacteria): Morphological and Molecular Criteria for Revision of the Genus microcoleus gomont 1
MA Siegesmund, JR Johansen, U Karsten, T Friedl
Journal of Phycology 44 (6), 1572-1585, 2008
2052008
Recovery patterns of cryptogamic soil crusts in desert rangelands following fire disturbance
JR Johansen, LL St. Clair, BL Webb, GT Nebeker
Bryologist, 238-243, 1984
1691984
Cryptogamic soil crusts: enhancement of seedling establishment in disturbed and undisturbed areas.
LL St. Clair, BL Webb, JR Johansen, GT Nebeker
1611984
Utility of 16S-23S ITS sequence and secondary structure for recognition of intrageneric and intergeneric limits within cyanobacterial taxa: Leptolyngbya corticola sp. nov …
JR Johansen, L Kovacik, DA Casamatta, KF Iková, J Kastovský
Nova Hedwigia 92 (3), 283, 2011
1532011
Wind erodibility of soils at Fort Irwin, California (Mojave Desert), USA, before and after trampling disturbance: implications for land management
J Belnap, SL Phillips, JE Herrick, JR Johansen
Earth Surface Processes and Landforms: The Journal of the British …, 2007
1512007
Effects of rangefire on soil algal crusts in semiarid shrub-steppe of the lower Columbia Basin and their subsequent recovery
JR Johansen, J Ashley, WR Rayburn
The Great Basin Naturalist, 73-88, 1993
1471993
Molecular and morphological criteria for revision of the genus Microcoleus (Oscillatoriales, Cyanobacteria)
O Strunecký, J Komárek, J Johansen, A Lukešová, J Elster
Journal of phycology 49 (6), 1167-1180, 2013
1452013
Spirirestis rafaelensis gen. et sp. nov.(Cyanophyceae), a new cyanobacterial genus from arid soils
VR Flechtner, SL Boyer, JR Johansen, ML DeNoble
Nova Hedwigia 74 (1-2), 1-24, 2002
1432002
Diatomsofaerial habitats
JR Johansen
The diatoms: applications for the environmental and earth sciences 465, 2010
1332010
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Artigos 1–20