Lichen Flora of Southern CaliforniaHermann Edward Hasse · First published 1913 · Latest edition 2018Open the Tome
Additions to the lichen-flora of Southern California, No. 4.Hermann Edward Hasse · First published 1910Open the Tome
Contributions to the lichen-flora of southern CaliforniaHermann Edward Hasse · First published 1906Open the Tome
Additions to the lichen-flora of southern CaliforniaHermann Edward Hasse · First published 1903Open the Tome
Contributions to the lichen-flora of the Californian coast islandsHermann Edward Hasse · First published 1903Open the Tome
Lichen flora of southern California and other papersHermann Edward Hasse · First published 1895Open the Tome
