Alpha diversity of lichens in phorophytes from a fragment of seasonally dry forest of Oaxaca, Mexico
Abstract
Background: In Oaxaca, lichen studies have been carried out in temperate forests. Tropical dry forest hosts a high diversity of lichens.
Objective: To assess the richness and composition of lichens on phorophytes in the tropical dry forest of the Mixteca region of Oaxaca.
Methods: Corticolous lichens were collected on different phorophytes. Established protocols were followed to identify the lichens.
Results and conclusions: Eleven phorophyte species and 47 corticolous lichen species were identified: 39 were foliose lichens, 6 crustose, and 2 fruticose. The phorophyte with the highest lichen richness was the cactus (21 spp.), and the
lowest was Ipomoea (2 spp.). Foliose lichens dominated vs. crustose, due to some genera being more drought-tolerant and their higher requirement for light. It has been confirmed that the tropical dry forest exhibits an interesting alpha diversity of lichens that is worth conserving.
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- 2026-01-23 (2)
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