Characteristics and Hybridization of Importation Intermountain Shrubs. III. Sunflower Family

摘要

The report reviews the state of knowledge, records observations, and presents original data for important Intermountain composite shrubs. A key is given to aid recognition of taxa. Each species treated is described and its hybridization, distribution and habitat, use, and subspecies are reviewed. Results of hybridization experiments in section Tridentatae of Artemisia are presented.