(O 50 pm; (d-g) 20 pm. (Berbee & Taylor, 2007; Krings ttat, 2007a,b), formed associa- tions with Mucoromycotina fungi (Pressel etal., 2010; Strullu- Derrien et al, 2014). Nonetheless, where the fungi are exclusively intracellular (e.g. Anogramma), it is impossible to ascertain from cytology alone to which fun