Mistletoe preparations from various host trees are an important foundation of complementary oncology. This book presents for the first time the significance of the mistletoe host trees for a differentiated mistletoe therapy. Thirteen host trees are described according to the same scheme: etymology, mythology, botany, use in phytotherapy, homeopathy, and flower essences. From the synthesis of the characteristics derived from this, a social type of patient is formed for the first time. The goal is to facilitate the selection of the right mistletoe preparation for specific (cancer) diseases and especially for prevention through the typology of the individual host trees. It includes numerous case studies and references to complementary tumor therapy with metal preparations or various winter bloomers.