Hyalophyta

Hyalophyta includes the Glass Flora on Sagan 4.

=Class - Euglaagae= (Poolalgaes and Basal Glaagae)

Order - (Poolalgaes)
=Class - Rotosporae= (cryodomes)

Family - (greenhouse domes)
=Class - Vitricaulae= (cryostalks)