Acritodon nephrophilus Distribution: Oaxaca State, Mexico.Habitat/Ecology: On branch of tree in forested ravine in cloud forest belt.Status: Discovered in 1962. Known only from the type locality where large areas of forest have disappeared today.
Distribution: Cape Arago, Coos County, Oregon, USA.Habitat/Ecology: Near a road by a lake.Status: Known only from a single locality. According to Schofield (1992), "any major change in water level of the nearby lake will extinguish the population..."
Archidium elatumDistribution: North Auckland, New ZealandHabitat/Ecology: On coastal rock.Status: Known from two localities in North Auckland. Additional searches by resident bryologists recently have not expanded its range. Its habitat is threatened at present.
Renauldia lycopodioides Distribution: Sagara Ridge of West Usambara Mountains and Uzungwe Mountains, Tanzania.Habitat/Ecology: Epiphyte on branches in mossy montane forest.Status: Known only from two localities. The forest habitat is much threatened by illegal deforestation at present.
Eulogies For Little Known Species
But, bryophytes are stars in the mass extinction now under way.