Guide to Liverworts of Oregon: Lophocolea coadunata (Sw.) Mont.
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Chiloscyphus 1b leaves bilobed > Chiloscyphus 3a all leaves with acuminate lobes > Chiloscyphus coadunatus
Synonyms: Lophocolea cuspidata (Nees) Limpr.; Chiloscyphus cuspidatus (Nees) J.J. Engel & R.M. Schust.; Chiloscyphus coadunatus (Sw.) J.J. Engel et R.M. Schust.
Special Status: None.
Recognition: The horizontally-inserted, bilobed leaves with acuminate lobe tips are distinctive under the handlens.
Distribution: On rotten wood or organic substrates; widespread and common.
Comments:In most literature prior to 1985, when Engel and Schuster combined Lophocolea with Chiloscyphus, this was known as Lophocolea cuspidata. Paton (1999) treated this as a synonym of Lophocolea bidentata (L.) Dum., without recognizing any subspecific taxa. Doyle and Stotler (2006) and Atherton et al. (2010) follow her example. The recent publication by Stotler and Crandall-Stotler (2017) provides nomenclatural clarity for separating Lophocolea coadunata from Lophocolea bidentata.
Schofield (2002) lists only Lophocolea cuspidata from the Pacific Northwest
Damsholt (2002) treats the two taxa as separate species of Chiloscyphus: C. coadunatus (Sw.) Engel et Schust. and C. latifolius (Nees) Engel et Schust. See Stotler and Crandall-Stotler (2017) for the nomenclatural history.
Coos Co., Oregon. DHW 9330.
Opal Creek, Marion County, Oregon. DHW m2126a.
Dry plants in air. Kiahanee Campground, Lane County, Oregon. DHW m3138b.
Spencer Butte, Lane Co., Oregon. DHW m1513.
Spencer Butte, Lane County, Oregon. DHW m3109.