Species Concepts: Theoretical and Practical Aspects

Evolution the Modern Synthesis

1943 • 1,766 citations

Systematics and the Origin of Species

1943 • 1,534 citations

Genetics and the Origin of Species

1952 • 1,221 citations

Speciation Phenomena in Birds

1940 • 488 citations

Reproductive Methods as Factors in Speciation in Flowering Plants

1959 • 339 citations

Clines: an Auxiliary Taxonomic Principle

1938 • 241 citations

LOGIC AND MEMORY IN LINNAEUS'S SYSTEM OF TAXONOMY.

1958 • 190 citations

Microbial classification

1962 • 138 citations

Demes: A Suggested New Terminology

1939 • 127 citations

THE MECHANISM OF EVOLUTION IN THE GENUSCLARKIA

1953 • 116 citations

The Bearing of the New Systematics on Genetical Problems The Nature of Species

1948 • 115 citations

The deme terminology and the units of micro-evolutionary change

1955 • 96 citations

THE CONCEPT OF SPECIES BASED ON EXPERIMENT

1939 • 93 citations

New Concepts in Flowering-plant Taxonomy.

1954 • 70 citations

EXPERIMENTAL TAXONOMY

1939 • 69 citations

Has the Biological Species Concept Outlived Its Usefulness?

1961 • 68 citations

Taxonomical Evaluation of Polyploids

1951 • 54 citations

THE ECOTYPE

1944 • 48 citations

The Concept of Species Based on Experiment

1939 • 42 citations

THE ECOTYPE CONCEPT

1946 • 41 citations

THE SPECIES CONCEPT: SEMANTICS VERSUS SEMANTICS

1949 • 37 citations

The units of experimental taxonomy

1949 • 37 citations

The Mechanism of Evolution in the Genus Clarkia

1953 • 27 citations

An introduction to botany /

1832 • 17 citations

THE ECOSPECIES-PRELUDE TO DISCUSSION

1952 • 9 citations

Comments on Evolutionary Literature

1949 • 5 citations

The Ecospecies-Prelude to Discussion

1952 • 4 citations

INFRASPECIFIC DIFFERENTIATION

1960 • 3 citations