Key to Spore Sections 



Amerosporae: spores one-celled, not stellate or spiral 



Allantosporae: spores sausage-shaped, mostly clear 



Hyalosporae: spores hyaline or clear, globose to oblong 



Phaeosporae: spores dark, yellow, brown or black, globose to oblong 



Leucosporae : spores clear, rarely faintly colored 



Rhodosporae : spores rose-colored 



Ochrosporae : spores yellow to yellow-brown 



Melanosporae : spores dark purple to black 

 Didymosporae: spores i-septate or 2-celled 



Hyalodidymae: spores hyaline, 2-celled 



Phaeodidymae: spores dark, 2-celled 

 Phragmosporae : spores few-many-transeptate, 3-many-celled 



Hyalophragmiae: spores hyaline, 3-many-celled 



Phaeophragmiae: spores dark, 3-many-celled 

 Dictyosporae: spores septate crosswise and lengthwise, i. e., muriform 



Hyalodictyae: spores hyaline, muriform 



Phaeodictyae: spores dark, muriform 

 Scolecosporae: spores needle-shaped to filiform, continuous or septate 



Hyaloscoleciae: spores hyaline, filiform 



Phaeoscoleciae: spores dark, filiform 

 Staurosporae : spores stellate or radiate, hyaline or dark, continuous or septate 

 Helicosporae: spores spirally twisted, hyaline or dark, continuous or septate 



