- Chaves, J.L.; Umaña, L.; Lizano, D. (2006). "A
first ****essment of the
Ticolichen biodiversity inventory in
Costa Rica: the
genus Coenogonium (Ostropales:...
- Kalb, Klaus; Tenorio,
Loengrin Umaña (2012). "A
first ****essment of the
Ticolichen biodiversity inventory in
Costa Rica and
adjacent areas: the thelotremoid...
- ; Umaña, Loengrin; Aptroot, André (2008). "A
first ****essment of the
ticolichen biodiversity inventory in
Costa Rica: The
genus Graphis, with
notes on...
- M.; Umaña, Loengrin; Navarro, Enia (2004). "A
First ****essment of the
Ticolichen Biodiversity Inventory in
Costa Rica: The
Genus Dictyonema (Polyporales:...
- Chaves, J.L.; Umaña, L.; Lizano, D. (2006). "A
first ****essment of the
Ticolichen biodiversity inventory in
Costa Rica: the
genus Coenogonium (Ostropales:...
- Kalb, Klaus; Tenorio,
Loengrin Umaña (2012). "A
first ****essment of the
Ticolichen biodiversity inventory in
Costa Rica and
adjacent areas: the thelotremoid...
- Kalb, Klaus; Tenorio,
Loengrin Umaña (2012). "A
first ****essment of the
Ticolichen biodiversity inventory in
Costa Rica and
adjacent areas: the thelotremoid...
- M.; Umaña, Loengrin; Navarro, Enia (2006). "A
first ****essment of the
Ticolichen biodiversity inventory in
Costa Rica: the
genus Haematomma (Lecanorales:...
- Kalb, Klaus; Tenorio,
Loengrin Umaña (2012). "A
first ****essment of the
Ticolichen biodiversity inventory in
Costa Rica and
adjacent areas: the thelotremoid...
- Umaña, L.; Chaves, J.L.; Trest, M.T. (2006). "A
first ****essment of the
Ticolichen biodiversity inventory in
Costa Rica:
three new
squamulose genera (Lecanorales:...
