Guide to Liverworts of Oregon: Barbilophozia quadriloba (Lindb.) Loeske
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Lophozia 1b oil bodies less than 12 per cell > Lophozia 5a leaves 3-4 lobed > Lophozia 6b underleaves prominent > Barbilophozia 7a shoots less than 3 mm wide > B. hatcheri
Synonym: Lophozia quadriloba (Lindb.) A. Evans
Special Status: None.
Recognition: Four lobed leaves with ciliate base of leaf on ventral side are characteristic of B. quadriloba. Three lobes are typical of B. hatcheri and the four lobes of B. lycopodioides are spreading, not curved uplwards as in B. quadriloba.
Distribution: On calcicolous substrates according to Paton (2002).
Comments: According to the UBC herbarium database, Schofield reports finding B. quadriloba at Olive Lake in the Blue Mountains. I have not yet included this species in these keys. Please refer to Paton (1999) or Damsholt (2002) if you suspect you have found this species.