Concepedia

Jeffrey R. Johansen

JR

Statistics

Publications

130

Citations

8K

H-Index

50

Active since

1981

Affiliations

John Carroll University(Current)

University of South Bohemia in České Budějovice

Czech Academy of Sciences, Institute of Botany

New Mexico State University

Sewanee: The University of the South

Jeffrey R. Johansen is an author at John Carroll University specializing in biology, natural sciences, and phylogenetics.

ORCID

Top concepts

Publications per year

1981–2024

130

Publications

130

Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach

Jiří Komárek, Jan Kaštovský, Jan Mareš et al. · Preslia · 2014 · 727 citations

, , +12

Microbiotic Crusts and Ecosystem Processes

R. D. Evans, Jeffrey R. Johansen · Critical Reviews in Plant Sciences · 1999 · 361 citations

, , +11

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

Sarah L. Boyer, Valerie R. Flechtner, Jeffrey R. Johansen · Molecular Biology and Evolution · 2001 · 330 citations · Full text

CRYPTOGAMIC CRUSTS OF SEMIARID AND ARID LANDS OF NORTH AMERICA

Jeffrey R. Johansen · Journal of Phycology · 1993 · 295 citations

MOLECULAR AND MORPHOLOGICAL CHARACTERIZATION OF TEN POLAR AND NEAR‐POLAR STRAINS WITHIN THE OSCILLATORIALES (CYANOBACTERIA)<sup>1</sup>

Dale A. Casamatta, Jeffrey R. Johansen, Morgan L. Vis et al. · Journal of Phycology · 2005 · 196 citations

, , +15

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