Pycniospore

Lettuce Diseases. a. Drop, h. Septoria leaf spot, c. same as b. but older spots, d. pycnida, e. pycniospores

Pycniospores are a type of spore found in certain species of rust fungi.[1][2] They are produced in special cup-like structures called pycnia or pynidia. Almost all fungi reproduce asexually with the production of spores. Spores may be colorless, green, yellow, orange, red, brown or black.

  1. ^ Allaby, Michael (29 March 2012). A Dictionary of Plant Sciences. OUP Oxford. p. 420. ISBN 978-0-19-960057-1.
  2. ^ Rijkenberg, F. H. J.; Truter, Susarah J. (1974). "The Ultrastructure of Sporogenesis in the Pycnial Stage of Puccinia Sorghi". Mycologia. 66 (2): 319–326. doi:10.1080/00275514.1974.12019605. ISSN 0027-5514.