Guide to Liverworts of Oregon: Key to Genera 32
HOME SPECIES INDEX GENUS INDEX GLOSSARY
1b plants leafy > 3b leaves not divided, not ciliate > 6a oil bodies 2+ or unknown > 7b no small dorsal lobe > 10a succubous > 11a anisophyllous > 12a leaves unlobed > 28b underleaves conspicuous > 32
Chiloscyphus polyanthus, bifid underleaves; left: Jefferson County, Oregon, DHW m1344; right: Modoc County, California, DHW m1443b
32a Underleaves bifid to the middle or below, regularly present; rhizoids in discrete patches, not scattered randomly
along lower side of stem
(Couplet 33)
Mylia anomala. Left: shoot; right: detached underleaves. White Rock Fen, Linn Co., Oregon. DHW m1682.
32b Underleaves entire, lanceolate, sometimes sparse; rhizoids scattered
along lower side of stem, not in discrete tufts, sometimes very sparse
(Couplet 35)