Involucropyrenium pusillum. Involucropyrenium pusillum je "porost", co go ôpisoł Breuss &amp; Türk. "Involucropyrenium pusillum" nŏleży do zorty "Involucropyrenium" i familije Verrucariaceae. Żŏdne podgatōnki niy sōm wymianowane we Catalogue of Life.