Systematics and Evolution, Part A The Mycota

Table 10.2

Pucciniomycotina: Synopsis of key ecological and morphological characters by class

Class

Ecologicaldiversity

Asexual reproduction

Sexual reproduction

Subcellular characters

Yeast state

Conidia

Fruiting body Basidia

Clamps

Septal poreassociations

Spindle polebody

Other features

Agaricostilbo-

mycetes

Mycoparasites,

saprobes

+

+ (blasto-) Various—

stilboid,pustulateor none

Phragmo-, holo- +/

Microbodies

Multilayered

disc

Tremelloid

haustoria

Atractiellomycetes Saprobes, orchid

mycorrhiza

+

Stilboid,

resupinate

Phragmo-

+

Atractosomes,

microbodies

Multilayered

disc

Microscala/

symple-chosomes

Classiculomycetes Aquatic,

mycoparasites

+ (triradiate)

Phragmo-

w/subapicallyswollensterigmata

+

Microbodies

n/a

Binucleate

tremelloidhaustoria

Cryptomyco-

colacomycetes

Mycoparasites

(basidio-sporesmay formyeast-likebuds)

+

Holo-

(w/uniquedevelopment)

+

Microbodies,

pore plugs

Layered disc

Colacosomes/

lenticularbodies

Cystobasidio-

mycetes

Mycoparasites,

saprobes

+

(+inCyrenella

)

Holo-, phragmo- +

Cystosome pore

plug

n/a

Tremelloid

haustoria

Microbotryo-

mycetes

Phyto- or

mycoparasites,saprobes(aquatic)

+

/+

Various—

pycnidioid,sori

Phragmo-

+

Pulley-wheel-

shaped poreplug,microbodies(Colacosiphon

)

Subgloboid

with flatinternalizedlayer

Colacosomes/

lenticularbodies

Mixiomycetes

Phytoparasite

+

?

Unknown

n/a

n/a

n/a

Pucciniomycetes Obligate phyto-,

entomo- ormycoparasites(saprobe)

(+in Septo-basidiales)

+

Various—

stilboid,resupinate,clavarioid,sori

Phragmo-, holo-

Pulley-wheel-

shaped poreplug

Multilayered

disc

Microscala/

symple-chosomes

Tritirachiomycetes Saprobes, human

pathogens,mycoparasites

+

Unknown

Pore plug

n/a

n/a

Pucciniomycotina 277