Roger P. Wodehouse
1889 – 1978
Pollen grains
Hayfever plants
An oil drop theory of pollen-grain pattern formation
Atmospheric pollen
Evolution of pollen grains
Morphology of pollen grains in relation to plant classification
Pollen grains in the identification and classification of plants
Shapes of pollen grains
The origin of symmetry patterns of pollen grains
The phylogenetic value of pollen-grain characters ...