Opeg vulg4192a.jpg

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Opegrapha vulgata, an immature ascospore stained with ink-vinegar. Note that this ascospore has only (at this stage of development) produced three septa. Care is required when identifying Opegrapha species to observe the true septation of mature ascospores.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith