The chromosome hoarding syndrome of (some) ferns and lycophytes

Fay-Wei Li recalls a 1966 paper by Klekowski and Baker, who built on their observation that homosporous pteridophytes have many more chromosomes than heterosporous lineages to generate hypotheses on the evolutionary impact of polyploidy.

Automated summary

Fay-Wei Li recalls a 1966 paper by Klekowski and Baker, where they noted that homosporous pteridophytes had more chromosomes than heterosporous lineages, and proposed hypotheses on the evolutionary impact of polyploidy.