The new edition of this successful introduction to the study of cryptogams once again offers the proven combination of textbook content and practical exercises. By linking theoretical and technical-methodological sections, learners are provided with a modern overview of the morphology, anatomy, and reproduction of blue-green algae, algae, fungi, and lichens. In the practical section, cryptogams are addressed in the order of their taxonomic classification. The book is aimed not only at students and university lecturers but also at teachers in upper secondary schools.