Ecogeographic Races of Lesquerella Engelmannii (Cruciferae): Distribution, Chromosome Numbers, and Taxonomy

Principles of Numerical Taxonomy

2013 • 3,094 citations

Alcoholic Hydrochloric Acid-Carmine as a Stain for Chromosomes in Squash Preparations

1963 • 680 citations

Differentiation of Populations

1970 • 635 citations

Differentiation of Populations

1969 • 592 citations

An illustrated flora of the northern United States, Canada and the British possessions :

1913 • 322 citations

Flora of the Rocky Mountains and adjacent plains

1917 • 165 citations

An illustrated flora of the northern United States

1896 • 159 citations

Climatic Changes of the Past and Present

1959 • 107 citations

The Genus Lesquerella (Cruciferae) in North America

1973 • 98 citations

ULTRAVIOLET REFLECTANCE CHARACTERISTICS IN FLOWERS OF CRUCIFERS

1972 • 66 citations

THE TAXONOMIC SIGNIFICANCE OF AUTOPOLYPLOIDY

1967 • 43 citations

Laboratory Manual for Introductory Mycology

1953 • 42 citations

A Monograph of the Genus Lesquerella

1921 • 28 citations

New manual of botany of the central Rocky mountains (vascular plants)

1909 • 20 citations

Toward a More Useful Taxonomy for Chromosomal Races

1966 • 18 citations

An Analysis of the Flowering Plants of Nebraska

1936 • 13 citations