
Slime Flux (Cryptococcus macerans + other species)
Slime flux on a pine post/pole. Slime flux is a microbial mixture that usually occurs on the trunks of trees in Spring. When any remaining sap begins to flow, all sorts of hungry microbes jump at the opportunity for a meal. Cryptococcus macerans happens to be the one often responsible for this orange color as it contains carotenoids. According to Erb Bailey, the following species may occur in a slime flux:
Aureobasidium pullulans
Barnettozyma populi
Cryptococcus macerans
Cryptococcus neoformans (melanin; brown, black)
Epicoccum nigrum
Fusarium acuminatum
Fusarium merismoides var. chlamydosporale
Fusicolla matuoi
Fusicolla merismoides
Geotrichum klebahnii
Pichia scutulata
Rhizopus sp.
Saccharomyces cerevisiae
Saccharomyces paradoxus
Tausonia pullulans
Wickerhamomyces alni
Xanthophyllomyces dendrorhous
Zygomycetes

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