Penicillium crustosum

Penicillium
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Eurotiomycetes
Order:	Eurotiales
Family:	Trichocomaceae
Genus:	Penicillium
Species:	P. crustosum
Binomial name
*Penicillium crustosum* Thom (1930)
Synonyms
Penicillium expansum var. crustosum,^[1] Penicillium solitum var. crustosum,^[1] Penicillium terrestre,^[1] Penicillium aurantiogriseum var. poznaniense,^[1] Penicillium schmidtii,^[1] Penicillium pseudocasei,^[1] Penicillium farinosum^[1]

Penicillium crustosum is a species of Penicillium, within the phylum Ascomycota.

This is the most complex penicillium.
The end of each conidiophore has clusters of 2 or more branches (rami), each supporting a cluster of conideogenous cells called phialides.
It can tolerate low temperatures (psychrophile); as well as low H₂O (axenic).
It produces a neurotoxin called penitrem A.

References

C.J. Alexopolous, Charles W. Mims, M. Blackwell et al., Introductory Mycology, 4th ed. (John Wiley and Sons, Hoboken NJ, 2004) ISBN 0-471-52229-5

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