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Light microscopy of *Puccinia graminis* with an aecium releasing its aeciospores through the broken leaf surface. A=Aeciospore, B=Aecium. Scale bar = 0.1 mm

Aeciospores are one of several different types of spores formed by rusts.^[1]^[2] They each have two nuclei and are typically seen in chain-like formations in the aecium.^[3]

References

^ Kyu Lee, Seung; Kakishima, Makoto (April 1999). "Aeciospore surface structures of Gymnosporangium and Roestelia (Uredinales)". Mycoscience. 40 (2): 109–120. doi:10.1007/BF02464289. ISSN 1340-3540. S2CID 84953707.
^ Bueno-Sancho, Vanessa; Orton, Elizabeth S.; Gerrity, Morgan; Lewis, Clare M.; Davey, Phoebe; Findlay, Kim C.; Barclay, Elaine; Robinson, Phil; Morris, Richard J.; Blyth, Mark; Saunders, Diane G.O. (22 October 2021). "Aeciospore ejection in the rust pathogen Puccinia graminis is driven by moisture ingress". Communications Biology. 4 (1): 1216. doi:10.1038/s42003-021-02747-1. ISSN 2399-3642. PMC 8536709. PMID 34686772.
^ "Glossary: Aeciospore". Pacific Northwest Pest Management Handbooks. Pacific Northwest Extension. 11 April 2019. Retrieved 23 March 2023.

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[1] Kyu Lee, Seung; Kakishima, Makoto (April 1999). "Aeciospore surface structures of Gymnosporangium and Roestelia (Uredinales)". Mycoscience. 40 (2): 109–120. doi:10.1007/BF02464289. ISSN 1340-3540. S2CID 84953707.

[2] Bueno-Sancho, Vanessa; Orton, Elizabeth S.; Gerrity, Morgan; Lewis, Clare M.; Davey, Phoebe; Findlay, Kim C.; Barclay, Elaine; Robinson, Phil; Morris, Richard J.; Blyth, Mark; Saunders, Diane G.O. (22 October 2021). "Aeciospore ejection in the rust pathogen Puccinia graminis is driven by moisture ingress". Communications Biology. 4 (1): 1216. doi:10.1038/s42003-021-02747-1. ISSN 2399-3642. PMC 8536709. PMID 34686772.

[3] "Glossary: Aeciospore". Pacific Northwest Pest Management Handbooks. Pacific Northwest Extension. 11 April 2019. Retrieved 23 March 2023.

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