Geastrum References Geastrum genus of fungi Ask Anything Homework Help Also known as: Geaster Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: LycoperdaceaeAnother genus is Geastrum (Geaster), consisting of about 50 widespread species of earthstars with an expanded starlike base. They are found among dead leaves in woods in summer and autumn. Read MoreAnother genus is Geastrum (Geaster), consisting of about 50 widespread species of earthstars with an expanded starlike base. They are found among dead leaves in woods in summer and autumn. Read More