The following is a very incomplete list of liverworts found in the Columbia River Gorge of Oregon and Oregon. Those species followed by a question mark are at this point unconfirmed for this area of study.
Unidentified Gorge Liverworts: Please help identify these liverworts (Identification to genus level is even helpful!).
Aneuraceae:
Riccardia chamedryfolia (Synonym: Riccardia major)
Riccardia multifida
Anthocerotaceae:
Carolina phaeoceros: Phaeoceros laevis ssp. carolinianus (Synonym: Phaeoceros carolinianus)
Aytoniaceae:
Asterella gracilis (Synonym: Asterella ludwigii)
Calypogeiaceae:
Blue Pouchwort: Calypogeia azurea (Synonym: Calypogeia trichomanes)
Calypogeia muelleriana ?
Cephaloziellaceae:
Cephaloziella divaricata (Synonyms: Cephaloziella byssacea, Cephaloziella starkei, Cephaloziella starkei var. scabra)
Cleveaceae:
Athalamia hyalina (Synonym: Clevea hyalina)
Conocephalaceae:
Scented Liverwort: Conocephalum conicum
Gymnomitriaceae:
Gymnomitrion obtusum
Marsupella emarginata
Herbertaceae:
Herbertus aduncus var. aduncus (Synonyms: Herbertus aduncus, Herbertus hutchinsiae)
Jubulaceae:
Frullania bolanderi
Frullania californica
Hanging Millipede Liverwort: Frullania nisquallensis
Jungermanniaceae:
Anastrophyllum minutum
Jungermannia atrovirens (Synonym: Jungermannia tristis)
Jungermannia lanceolata ?
Jungermannia rubra
Lophozia incisa
Lophozia latifolia (Synonym: Lophozia jurens)
Lophozia ventricosa
Lophozia wenzelii
Lepidoziaceae:
Little Hands Liverwort: Lepidozia reptans
Marchantiaceae:
Common Liverwort, Umbrella Liverwort: Marchantia polymorpha ?
Preissia quadrata
Metzgeriaceae:
Metzgeria conjugata ssp. conjugata
Pelliaceae:
Endive Pellia: Pellia endiviifolia ?
Ring Pellia: Pellia neesiana ssp. columbiana (Synonym: Marsillia neesiana) ?
Plagiochilaceae:
Plagiochila asplenioides
Plagiochila porelloides (Synonym: Plagiochila satoi)
Porellaceae:
Porella cordaeana (Synonym: Porella rivularis)
Tree-ruffle Liverwort: Porella navicularis
Porella roellii
Radulaceae:
Radula bolanderi (Synonym: Radula spicata)
Radula complanata
Scapaniaceae:
Diplophyllum obtusifolium
Douinia ovata (Synonym: Lophozia ovata)
Scapania americana (Synonyms: Scapania bolanderi var. americana, Scapania granulifera)
Yellow-ladle Liverwort: Scapania bolanderi
Scapania glaucocephala
Scapania irrigua
Scapania umbrosa
Scapania undulata
Targioniaceae:
Targionia hypophylla