Table 3.

Initial branching appendages.

Branching	Frullania knightbridgei	Frullania truncatistyla	Frullania rostrata
Branching type	Frullania-type	Usually Frullania-type, occasionally Lejeunea-type	Usually Frullania-type, occasionally Lejeunea-type
First branch underleaf (BUL1)	1 ventral, explanate, bilobed segment + 1 dorsal saccate segment	1 ventral, explanate, bilobed segment + 1 dorsal saccate segment	1 ventral, explanate, bilobed segment + 1 dorsal saccate segment
First branch leaf (BL1) initial appendages	± characteristic of normal stem leaves	Variable, either elobulate, and explanate to sulcate, or ± characteristic of normal stem leaves	Variable, either elobulate, and explanate to sulcate, or ± characteristic of normal stem leaves