Microfungi as a group are ubiquitous but not often noticed. The photograph below of Golovinomyces fischeri shows conidiophores, on the underside of the leaf of a plant of Senecio vulgaris, which are less than one tenth of a millimetre tall.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith