Template:Aptroot et al., 2006a
- Aptroot, A., Umaña, L., Chaves, J.L. & Trest, M.T. 2006. A first assessment of the TICOLICHEN biodiversity inventory in Costa Rica: Three new squamulose genera (Lecanorales: Ramalinaceae and Pilocarpaceae). The Journal of the Hattori Botanical Laboratory 100: 617–623. DOI: 10.18968/jhbl.100.0_617
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