Urocystidales
The Urocystidales are an order of fungi within the class Ustilaginomycetes. The order contains 6 families and about 400 genera. They are a sister order to Ustilaginales.
Urocystidales is also known and classified as the smut fungi. They are serious plant pathogens, Urocystis, is one of the representative genera of the order, it is an example of a smut genus that has a wide host range. The type species Urocystis occulta, was described as a pathogen on rye. They are found in marine and terrestrial environments. The aquatic members of the Doassansiopsis genera are found in the tropics or subtropics.
Morphology
They are distinguished from other fungi by the existence of haustoria and pores in the septa of soral hyphae.Families">family (biology)">Families
It was formed in 1997, and consisted of 4 families, - only includes Doassansiopsis- Fereydouniaceae - includes Fereydounia
- Floromycetaceae - includes Antherospora and Floromyces
- Glomosporiaceae - includes Thecaphora
- Mycosyringaceae - includes Mycosyrinx
- Urocystidaceae - includes Flamingomyces, Melanoxa, Melanustilospora, Mundkurella, Tuburcinia, Urocystis, Ustacystis and Vankya
Note the DNA of family Doassansiopsidaceae has been studied.
Ecology
The leaves of the water-lily can be affected by the water-born fungi, Doassansiopsis nymphaea.The leaves of Caldesia parnassifolia can be affected by the water-born fungi, Doassansiopsis hydrophila .