Four specimens of Marchantia thallus representing 4 distinct stages in the life cycle of liverworts: gemmae cup with gemmae, antheridiophore with antheridia, archegoniophore with archegonia, and sporophore with sporophytes. The set contains 25 of each specimen in 4 jars with identification labels. The 4 jars are packed in a labeled container. Specimens are preserved in FAA and shipped in Carosafe®™ with information sheets.