class hymenomycetes

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class hymenomycetes

A scientist carefully examines a class hymenomycetes specimen under a bright light.

Definition
  1. Noun:
    • A taxonomic class of fungi: In some biological classification systems, "class Hymenomycetes" is a category used to group certain fungi, primarily those with a hymenium—a spore-bearing surface layer. This class is typically considered equivalent to the order Agaricales and includes familiar fungi such as mushrooms, toadstools, agarics, and bracket fungi.
Usage Examples
  • Noun:
    • The common button mushroom belongs to the class Hymenomycetes.
    • Mycology students learn to identify members of the class Hymenomycetes by their gilled structures.
Advanced Usage
  • In taxonomic discussions: The term "class Hymenomycetes" is used in specific, often older, classification schemes. In modern taxonomy, many of these fungi are classified under the order Agaricales within the class Agaricomycetes.
    • While "class Hymenomycetes" appears in some texts, contemporary systems often use more precise groupings.
Variants and Related Words
  • Hymenomycete (n): A member of the class Hymenomycetes; any fungus characterized by having a hymenium.
    • A hymenomycete typically produces its spores on a basidium within the hymenium.
  • Hymenium (n): The spore-producing layer of tissue in fungi.
    • The gills of a mushroom are lined with the hymenium.
Synonyms
  • Agaricales (n): The taxonomic order often considered coextensive with the class Hymenomycetes, containing gilled mushrooms and their relatives.
  • Gilled fungi (n): A descriptive, non-taxonomic term for many members of this group.
Related Terms
  • Basidiomycota (n): The larger phylum (division) of fungi to which the Hymenomycetes belong, characterized by producing spores on a basidium.
  • Agaric (n): A common type of fungus within this group, typically with a cap and gills.
class hymenomycetes

A scientist carefully examines a class hymenomycetes specimen under a bright light.

Noun
  1. used in some classifications; usually coextensive with order Agaricales: mushrooms; toadstools; agarics; bracket fungi

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