Mexicana de Aviación the world's fourth oldest airline operating under the same name, after the Netherlands's KLM, Colombia's Avianca and Australia's Qantas. In 2009, the Mexicana group of airlines (including Mexicana Click and Mexicana Link) carried just over 11 million passengers (6.6 million on domestic routes and 4.5 million on international routes), using a fleet of some 110 aircraft. Over the three years prior to folding, the Mexicana group had increased their share of what was a burgeoning domestic market, from around 22% at the beginning of 2007 to somewhere between 28% and 30% for most of their final 12 months. This was
Psilocybe mexicana form of the organism, which affords it some protection from wildfires and other natural disasters. "Psilocybe mexicana" Solitary or in small groups among moss along roadsides and trails, humid meadows or cornfields, in particular in the grassy areas bordering deciduous forests. Common at elevations between , rare in lower elevations, known only from Mexico, Costa Rica and Guatemala. Fruiting takes place from May to October. Like several other psilocybin mushrooms in the genus, "Psilocybe mexicana" has been consumed by indigenous North American and Central American peoples for its entheogenic effects. In the Western world, sclerotia of "Psilocybe mexicana" are sometimes