Tree ruffle liverwort • Porella navicularis
Identification
Tree-ruffle liverwort has large plants (to 15 cm long) and is often dark green and shiny, though it may vary in colour and glossiness. Stem branching is usually regularly pinnate. This liverwort has flattened, closely-overlapping upper (dorsal) leaves (like reverse shingles). Click here for more detailed identification information.
Habitat & Range
Tree-ruffle liverwort grows on tree trunks, branches, and rock faces in low elevation forests. It tends to form spreading or creeping mats. It is found in coastal locations from Alaska to California.
Similar Species
Ruffle liverwort (Porella cordaeana) is differentiated from tree-ruffle liverwort by detailed lower leaf structure - see the leaf structure discussed on this identification page to ensure correct identification.
Tree-ruffle liverwort has large plants (to 15 cm long) and is often dark green and shiny, though it may vary in colour and glossiness. Stem branching is usually regularly pinnate. This liverwort has flattened, closely-overlapping upper (dorsal) leaves (like reverse shingles). Click here for more detailed identification information.
Habitat & Range
Tree-ruffle liverwort grows on tree trunks, branches, and rock faces in low elevation forests. It tends to form spreading or creeping mats. It is found in coastal locations from Alaska to California.
Similar Species
Ruffle liverwort (Porella cordaeana) is differentiated from tree-ruffle liverwort by detailed lower leaf structure - see the leaf structure discussed on this identification page to ensure correct identification.
References
Ellis, S. Porella navicularlis. Introduction to Bryophytes. Biology 321, Department of Biology, University of British Columbia, Vancouver. Accessed 03/09/2014.
Pojar, J. and MacKinnon, A. (1994). Plants of Coastal British Columbia. Vancouver, BC: Lone Pine Publishing. P. 444.
Authors and editors of page
Kelly Fretwell, Ian Cruickshank, and Brian Starzomski (2014).
Ellis, S. Porella navicularlis. Introduction to Bryophytes. Biology 321, Department of Biology, University of British Columbia, Vancouver. Accessed 03/09/2014.
Pojar, J. and MacKinnon, A. (1994). Plants of Coastal British Columbia. Vancouver, BC: Lone Pine Publishing. P. 444.
Authors and editors of page
Kelly Fretwell, Ian Cruickshank, and Brian Starzomski (2014).
