Bacteria came in 1977 when Carl Woese recognised that archaea have a separate line of evolutionary descent from bacteria. This new phylogenetic taxonomy depended on the sequencing of 16S ribosomal RNA, and divided prokaryotes into two evolutionary domains, as part of the three-domain system. Bacteria Bacteria (; common noun bacteria, singular bacterium) are a type of biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria have a number of shapes, ranging from spheres to rods and spirals. Bacteria were among the first life forms to appear on Earth, and are present in most
Clavarioid fungi on wood or on decaying herbaceous stems and fallen leaves. Some species, particularly in the genera "Clavulina" and "Ramaria", are known to be ectomycorrhizal (forming a beneficial association with the roots of living trees). Species in the genera "Ertzia", "Multiclavula", "Lepidostroma", and "Sulzbacheromyces" are lichenized and grow in association with algae. Clavarioid fungi have a worldwide distribution, though some genera—such as "Aphelaria" and "Lachnocladium"—are principally tropical. They are one of the most common of the four fungi groupings. Clavarioid fungi The clavarioid fungi are a group of fungi in the "Basidiomycota" typically having erect, simple or branched basidiocarps (fruit bodies)