Norman w radforth (1 Ergebnisse)

Symposium on Paleobotanical Taxonomy ( The American Midland Naturalist, Vol. 36, No. 2, Sept. 1946, pp. 257-380). INCLUDES: Algae of the Pre-Cambrian and Early Paleozoic; Late Paleozoic Algae of North America; Fossil Charophyta; Algae as Ecologic Indicators; Fossil Symbiotic Algae in Comparision with Other Fossil and Living Algae; The Relative Value of Taxonomic Characters; Cenozoic and Mesozoic Bryophytes of North America; The Taxonomic Treatment of the Fern - Pteridosperm Complex; Studies in the Trigonocarpales. Part II. Pachytesta; The Role of Wood Anatomy in Phylogeny; Taxonomy of Tertiary Flowers and Herbaceous Seeds.