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Dactylaria sp.

Mitosporic fungus. Hyphomycetes.

Dactylaria species comprise a very small proportion of the fungal biota. This genus is most closely related to Ochroconis and Scolecobasidium. Opinions differ regarding the taxonomy of these three genera and are considered by many to be synonyms. All three genera are listed in Ainsworth & Bisby's Dictionary of the Fungi as legitimate genera. There have been several reports of opportunistic infections caused by these genera but a true pathogenic role has not been firmly established. No information is available regarding upper respiratory health effects, or toxicity. Allergenicity has not been studied. May be identified on surfaces by tape lifts, tease mounts from bulk samples, and in air by culturable (Andersen) samples. Certain species of Dactylaria have somewhat distinctive spores which could be counted on spore trap samples if the presence of this genus has already been demonstrated (for example, on tape lifts). Natural habitat includes soil and decaying leaves.