Artificial Intelligence and Expert Systems in Phytogeography.- Some Quantitative Approaches to Problems of Comparative Floristics.- Ecological Phytogeography of the Southern Yukon Territory (Canada).- The Vascular Flora of Gros Morne National Park, Newfoundland: A Habitat Classification Approach Based on Floristic, Biogeographical and Life-Form Data.- Floristic Databanks and the Phytogeographic Analysis of a Territory. An Example Concerning Northeastern Italy.- The Use of Satellite Imagery in Quantitative Phytogeography: A Case Study of Patagonia (Argentina).- Distribution Patterns, Adaptive Strategies, and Morphological Changes of Mosses along Elevational and Latitudinal Gradients on South Pacific Islands.- Phytogeography of Southern Hemisphere Lichens.- Vicariance and Clinal Variation in Synanthrophic Vegetation.