The moss genus Orthotrichum includes 19 British species, 16 of which are obligate epiphytes that grow on woody plants. They form a reasonably discrete group, with only a few confusion species in other genera.
The moss genus Orthotrichum includes 19 British species, 16 of which are obligate epiphytes that grow on woody plants. They form a reasonably discrete group, with only a few confusion species in other genera.