order mycelia sterilia
A scientist examines a fungal culture from the order Mycelia Sterilia under a microscope.
Noun An order of fungi classified within the imperfect fungi (Deuteromycota). The defining characteristic of this group is that no spore-producing (sexual or asexual) stage has been observed or is known in their life cycle. The name literally means "the order of sterile mycelia," referring to the fact that reproduction is known only through the growth of the fungal threads (mycelia) without observed spore formation.
This term is used strictly in scientific classification (taxonomy) and mycology (the study of fungi) to categorize a specific group of fungi based on the absence of a known reproductive spore stage. * The fungus was placed in order Mycelia Sterilia because researchers could not identify any conidia or other spore structures. * Classification within order Mycelia Sterilia is often temporary until the sexual stage of the fungus is discovered.
- The classification "Mycelia Sterilia" represents a form-taxon, a grouping based on morphological characteristics (in this case, the lack of spores) rather than phylogenetic (evolutionary) relationships. When the perfect (sexual) state of a fungus in this order is found, it is typically reclassified into a different order within the Ascomycota or Basidiomycota.
- Mycelia Sterilia (without "order"): Often used as a common name for the group itself.
- Deuteromycota: The larger, now largely historical, phylum of "imperfect fungi" to which this order belonged.
- Fungi Imperfecti: Another name for the Deuteromycota.
- Hyphomycetes: An order of imperfect fungi where spores (conidia) produced; this contrasts with Mycelia Sterilia.
- Agonomycetales: An alternative taxonomic name for the same order.
A scientist examines a fungal culture from the order Mycelia Sterilia under a microscope.
- order of imperfect fungi having no known spore stage