Frederick J. Ryan

Genetic diversity and structure of the narrow endemic <i>Wyethia reticulata</i> and its congener <i>W. bolanderi</i> (Asteraceae) using RAPD and allozyme techniques

Debra R. Ayres, Frederick J. Ryan · American Journal of Botany · 1999 · 96 citations · Full text

Molecular Evolutionary Ecology, Wyethia Reticulata, Genetics +20

The clonal and population structure of a rare endemic plant, <i>Wyethia reticulata</i> (Asteraceae): allozyme and RAPD analysis

D. R. Ayres, Frederick J. Ryan · Molecular Ecology · 1997 · 68 citations

Botany, Genetics, Landscape Genetics +24

Molecular markers indicate two cryptic, genetically divergent populations of Russian thistle (<i>Salsola</i> <i>tragus</i>) in California

Frederick J. Ryan, Debra R. Ayres · Canadian Journal of Botany · 2000 · 38 citations

Dna-based Molecular Markers, Plant Genetics, Russian Thistle +18

Essential primary amino groups of ribulose bisphosphate carboxylase/oxygenase indicated by reaction with pyridoxal 5′-phosphate

Christian Paech, Frederick J. Ryan, N. E. Tolbert · Archives of Biochemistry and Biophysics · 1977 · 37 citations

Biosynthesis, Bioorganic Chemistry, Cellular Enzymology +8

Tumbleweed (Salsola, section Kali) species and speciation in California

Debra Ayres, Frederick J. Ryan, Eva Grotkopp et al. · Biological Invasions · 2008 · 32 citations

Biodiversity, Invasive Specie, Botany +4