Assertion: peristome's teeth | /r/AtLocation | polytrichastrum alpinum
Facets:
Source sentences:
text: 6A ) strongly suggested that inflexed marginal teeth could be present, i.e., that the attachment points of the peristome on the epiphragm are homologous to the epiphragm teeth found in species such as Polytrichastrum alpinum , only folded over onto the dorsal surface.