
thumb|The underside of a fertile frond of Dicksonia antarctica. Each circular brown structure is an individual sorus.
thumb|The underside of a fertile frond of Dicksonia antarctica. Each circular brown structure is an individual sorus.
A sorus (: sori) is a cluster of sporangia (structures producing and containing spores) in ferns and fungi. A coenosorus (: coenosori) is a compound sorus composed of multiple, fused sori.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).