[2] Llano took various jobs across the country before settling at the National Academy of Sciences and working on the International Geophysical Year.
[2] His experience in Antarctica led him to work for the National Science Foundation Office of Polar Programs in 1961.
[3] After his retirement, Llano continued lecturing, guiding expeditions, and fundraising for researchers.
[4] Among his beneficiaries were Ivan Mackenzie Lamb and Henry Andrew Imshaug, who undertook notable lichenological expeditions.
[2] He has been credited for introducing the terms gyrodisc, leiodisc, and omphalodisc to refer to different types of fruiting bodies encountered in the Umbilicariaceae.