Porella navicularis

Shoot anisophyllous No microphyllous branches
Leaf margin entire
Capsule valves vertical
Shoots mainly ascending
Shoots mainly prostrate
Medium: 1.5 - 2.5 mm wide
Underleaf ovate to lance
Large: 2.5 - 4 mm wide
Dorsal base decurrent
Robust: > 4 mm wide
Leaf margin toothed
Shoots pinnately branched
Dark, olive green
Green to reddish brown
Leaves incubous
Leaves nearly horizontal
Leaves spreading
Leaves secund
Leaf tip round
Leaves divided >0.5
Divided into 2 lobes
Lobes not folded
Dorsal lobe larger
Ventral lobule flat
Keel sharp
Leaf base not sheathing
Lobe tips rounded
Underleaves present
Rhizoids prominent
Rhizoids tufted
Rhizoids scattered
Rhizoids colorless
Cell walls evenly thin
Cell walls unevenly thick
Vitta absent
Trigones concave
Trigones bulging
Cuticle smooth
Oil-bodies present
Oil-bodies ave 2-12/cell
Oil-bodies colorless
Oil-bodies granulose
Perianth present
Perianth long emergent
Perianth flattened
Perianth mouth narrow
Perianth mouth wide
Perianth mouth dentate
Perianth mouth entire
Perigynium absent
Gemmae absent
Dioicous
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