Novel fungus that has been reported spreading across Florida. UF Forest Pathology is calling it Relampago, but much is not yet known about it. It hosts on a variety of port and herbaceous plants, seen here on Torreya taxifolia, and it causes branch die back, and I have seen trees that look like they have completely succumbed to it. Seen it on Acer, Torreya, Taxus, Smilax, Arundinaria, Ardisia, Pinus, Nandina, Camphora, and more. It’s spreading significantly near I-10 interstate in Gadsden County.
Spores 7-9 um, cheilocystidia lacking protuberances, mostly smooth. Caps 4.5-5 mm, stems to about 20 mm. On oak bark mulch.