Introductory Features for Basidiomycota
- Taxonomic endings: -mycota = division; -mycotina =
subdivision; mycetes = class (sometimes common name); mycetidae
= subclass; ales = order; aceae = family
I. Basidiomycota; features
A. septate hyphae; simple septum
(see variations in Figure 22-4) in doliopore septum (see handout
Figure 5.13; variation in Tremellales; see Figure 22-1); clamp
connections (Figure 16-2; handout Figure 5.13)
B. basidium
1. probasidium = where karyogamy
takes place
2. metabasidium= where meiosis takes place
3. sterigma (-ata)= points on which basidiospores are attached;
may be either on 1 or 2 or on a epibasidium
4. epibasidium; hypobasidium (see Figure 16-7 B)
C. primary, secondary, and
tertiary mycelial.
D. basidiocarp variable- absent to present
Dacrymycetales (top left); Tremellales (top right)
Auriculariales (bottom left)
Agaricales (bottom right)
| Agaricales basidium with two sterigam in view
and heterotropic spore attachment.
|
Classification:
(smuts, rusts); Tremellales and Auriculariales
(jelly fungi in part [except the Dacrymycetales]); Dacrymycetales:
jelly fungi; Agaricales : mushrooms,
boletes; Aphyllophorales: polypores;
tooth fungi; coral fungi; chantrelles;Gasteromycetes:
puffballs and their relatives.
genera and species
classification system with features