Lesson plan
Phormopsora
Phormopsora is a fungal genus in the family Pannariaceae. It comprises a single species, Phormopsora isabellina. The genus was proposed in 2020 based on molecular and morphological studies of a lichen previously classified in the genera Psoroma and Pannaria. Phormopsora is characterised by its large, scale-like structures called that form pale grey rosettes, and by the presence of unique lichen substances not found in other members of its family. The species is primarily found in southern South America, particularly in Chile, where it grows on the trunks of evergreen Nothofagus trees in humid, temperate rainforests. Its distinctive features include well-developed structures containing nitrogen-fixing cyanobacteria, and with a distinctive outer wall that has irregular swellings and thread-like extensions at the tips.
Article summary
Phormopsora is a fungal genus in the family Pannariaceae. It comprises a single species, Phormopsora isabellina. The genus was proposed in 2020 based on molecular and morphological studies of a lichen previously classified in the genera Psoroma and Pannaria. Phormopsora is characterised by its large, scale-like structures called that form pale grey rosettes, and by the presence of unique lichen substances not found in other members of its family. The species is primarily found in southern South America, particularly in Chile, where it grows on the trunks of evergreen Nothofagus trees in humid, temperate rainforests. Its distinctive features include well-developed structures containing nitrogen-fixing cyanobacteria, and with a distinctive outer wall that has irregular swellings and thread-like extensions at the tips.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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