Kingdom Plants/ Liverworts

Structurally liverworts are the simplest group of plants lacking both stomata and specialized cells for food and water transport. The gametphyte is the dominant stage, the sporophyte being totally dependent on the gametophyte nutritionally. Free water is necessary for fertilization.

Know to Genus

Marchantia

Be familiar with all structures seen in lab, and be able to answer questions about them demonstrating an understanding of its life cycle.

Thallus

View of dichotomous branching

Cross-section of thallus (living)

Cross section of thallus through air pore (prep. slide)

 

Antheridia & Antheridiophores

Antheridiophores

Antheridium

Archegonia & Archegoniophores

Archegoniophores (habit)

Archegoniophores - detail

Archegoniophore and archegonium

Archegonium

Sporophyte

Archegoniophore with attached sporophytes

Sporophyte

 

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