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Spirographa

Spirographa is a genus of parasitic fungi. It is the sole genus in the monotypic family Spirographaceae, belonging to the order Ostropales. These obligate parasites live exclusively on lichens and produce distinctive fruiting bodies that develop within their host's tissue, characterised by ascospores arranged in a loose spiral pattern. The genus is distinguished by its unique spore features, including some species that produce spores with long, thread-like appendages, and unusual Y-shaped or geometric asexual reproductive structures.

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Article summary

Spirographa is a genus of parasitic fungi. It is the sole genus in the monotypic family Spirographaceae, belonging to the order Ostropales. These obligate parasites live exclusively on lichens and produce distinctive fruiting bodies that develop within their host's tissue, characterised by ascospores arranged in a loose spiral pattern. The genus is distinguished by its unique spore features, including some species that produce spores with long, thread-like appendages, and unusual Y-shaped or geometric asexual reproductive structures.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. 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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