Plant morphology in its nomothetical aspects

On Growth and Form

1917 • 4,330 citations

Variation and Evolution in Plants

1950 • 4,163 citations

Principles of Animal Taxonomy

1961 • 2,050 citations

Principles of Systematic Zoology.

1969 • 2,050 citations

The variation of animals and plants under domestication /

1905 • 1,764 citations

Evolution and classification of flowering plants

1979 • 1,692 citations

The Evolution and Classification of Flowering Plants.

1989 • 1,325 citations

Animal Species and Evolution

1964 • 669 citations

The variation of animals and plants under domestication

1897 • 595 citations

The law of homologous series in variation

1922 • 434 citations

New Patterns in Genetics and Development

1962 • 421 citations

Die Phylogenie der Pflanzen . Dr. Walter Zimmerman, University of Tübingen. Jena, Verlag von Gustav Fischer, 1930.

1930 • 216 citations

REVERSIBILITY IN EVOLUTION CONSIDERED FROM THE STANDPOINT OF GENETICS1

1939 • 214 citations

Plant morphogenesis

1960 • 207 citations

STUDIES IN THE MORPHOGENESIS OF LEAVES

1948 • 138 citations

Vergleichende Morphologie der Pflanzen ...

1905 • 120 citations

THE APPEARANCE OF GYMNOSPERMOUS STRUCTURE

1970 • 111 citations

Traité de paléobotanique

1964 • 107 citations

Nomogenesis: Evolution Determined by Law.

1969 • 102 citations

Exine Structures in some fossil and recent spores and pollen as revealed by light and electron microscopy

1966 • 95 citations

ANATOMY AND RELATIONSHIPS OF SOME DEVONIAN PROGYMNOSPERMS FROM NEW YORK

1971 • 88 citations

THE RISE OF THE FIRST LAND PLANTS

1970 • 83 citations

The Natural Philosophy of Plant Form

2012 • 73 citations

A COMPARATIVE STUDY OF THE PRIMARY VASCULAR SYSTEM OF CONIFERS. III. STELAR EVOLUTION IN GYMNOSPERMS

1968 • 73 citations

A COMPARATIVE STUDY OF THE PRIMARY VASCULAR SYSTEM OF CONIFERS. I. GENERA WITH HELICAL PHYLLOTAXIS

1968 • 68 citations

Morphogenesis in Plants

1953 • 65 citations

Plant speciation in Malesia, with special reference to the theory of non-adaptive saltatory evolution

1969 • 62 citations

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen.

1913 • 60 citations

Leaf Venation Patterns and the Origin of the Angiosperms

1969 • 55 citations

The structure of some leaves and fructifications of the Glossopteris flora of Tanganyika

1958 • 49 citations

PARALLEL EVOLUTION

1971 • 46 citations

Percurrent proliferations in fungi, algae, and mosses

1971 • 42 citations

ANASTOMOSES IN THE VENATION OF GINKGO BILOBA

1959 • 41 citations

A Vegetative Mutant, and the Principle of Homoeosis in Plants

1909 • 39 citations

The Status of the General System of Classification of Flowering Plants

1965 • 33 citations

Eddya sullivanensis , gen. et sp. nov., a Plant of Gymnospermic Morphology from the Upper Devonian of New York

1967 • 32 citations

Parallel Evolution in Leaf Venation: an Alternative View of Angiosperm Origins

1970 • 19 citations

The variation of organs of individual plants

1963 • 19 citations

A New Sphenopsid Cone from Iowa1

1954 • 18 citations

Phyllotheca -like plants from the Upper Palaeozoic flora of Angaraland

1971 • 17 citations

Directional trend of floral evolution

1968 • 15 citations

ON SOME CONTRADICTIONS IN GENERAL TAXONOMY AND EVOLUTION

1963 • 13 citations

THE TAXONOMIC SIGNIFICANCE OF EVOLUTIONARY PARALLELISM

1963 • 12 citations

A centenary lecture: The concept of homoeomorphy

1962 • 12 citations

Untersuchungen zur Stammesgeschichte der Coniferales und Cordiatales : T. 1, Morphologie und Epidermisstruktur der Assimilationsorgane bei den rezenten Koniferen

1931 • 11 citations

Variability in Calamocarpon insignis from the American Carboniferous

1971 • 7 citations

Reply to Criticism of Hypothesis of Leaf Venation and Angiosperm Origins

1970 • 3 citations

THE NATURE AND RANGE OF VARIATION IN THE FLORAL SYMMETRY OF POTENTILLA ERECTA (L.) HAMPE

1948 • 2 citations