Guide to Liverworts of Oregon: Shortcuts to Distinctive Groups in the Keys.


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There are genera which are often clustered together in keys because they share certain easily recognized, diagnostic characters. These are highlighted here. A botanist experienced with liverworts may want to go directly to these groups. To skip to one of these groups of genera in the keys, use the following links. (If a particular genus is recognized, use the genus index.)

LEAFY LIVERWORTS [Couplet 3]

LEAF LOBES CILIATE [Couplet 4]

LEAVES COMPLICATE-BILOBED; SMALL DORSAL LOBE [Couplet 8]

OILBODIES ABSENT OR SOLITARY [Couplet 16]

LEAVES COMPLICATE-BILOBED; LOBULE VENTRAL [Couplet 21]

LEAVES INCUBOUS; NO LOBULE [Couplet 23]

ISOPHYLLOUS (THREE EQUAL ROWS OF LEAVES) [Couplet 25]

ROUND, SUCCUBOUS LEAVES [Couplet 28]

LOBED, SUCCUBOUS LEAVES [Couplet 37]

TINY SHOOTS (AVERAGE <0.5 mm WIDE) WITH BILOBED LEAVES [Couplet 47]

LOBED LEAVES, NO OBVIOUS UNDERLEAVES [Couplet 55]

THALLOSE LIVERWORTS [Couplet 62]

THALLOSE WITH HOMOGENEOUS TISSUE [Couplet 63]

THALLOSE WITH DIFFERENTIATED TISSUE [Couplet 70]