S. Williams

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Variation in a natural population of Schizophyllum commune

J. Jinks, C. Brasier, S. Williams, 1970, Heredity.

Correlation Phenomena and Hormones in Selaginella

S. Williams, 1937, Nature.

Regeneration of peripheral nerves in amphibia studied with the aid of a vital stain

S. Williams, 1930 .

I.—An Analysis of the Vegetative Organs of Selaginella grandis Moore, together with some Observations on Abnormalities and Experimental Results

S. Williams, 1932, Transactions of the Royal Society of Edinburgh.

XXXI.—Sporangial Variation in the Osmundaceæ

S. Williams, 1928, Transactions of the Royal Society of Edinburgh.

IX.—A Critical Examination of the Vittarieæ with a View to their Systematic Comparison

S. Williams, 1927, Transactions of the Royal Society of Edinburgh.

X.—The Morphology of Trichomanes aphlebioides Christ, with special reference to the Aphlebioid Leaves.

S. Williams, 1931 .

Modeling the growth of individuals in plant populations: local density variation in a strand population of Xanthium strumarium (Asteraceae).

J. Weiner, S. Kinsman, S. Williams, 1998, American journal of botany.

A Saprophytic Liverwort

S. Williams, 1949, Nature.

Plant Morphology

S. Williams, 1959, Nature.