Loramycetaceae
| Loramycetaceae | |
|---|---|
| Scientific classification | |
| Kingdom: | Fungi |
| Phylum: | Ascomycota |
| Class: | Leotiomycetes |
| Order: | Helotiales |
| Family: |
Loramycetaceae Dennis ex Digby & Goos |
| Type genus | |
|
Loramyces W. Weston |
|
| Species | |
|
L. juncicola W. Weston |
|
L. juncicola W. Weston
L. macrosporus Ingold & B. Chapm.
The Loramycetaceae are a family of fungi in the Ascomycota, class Leotiomycetes. This is a monotypic taxon, containing the single genus Loramyces; the genus contains two aquatic species, L. juncicola, named by American mycologist William H. Weston in 1929, and L. macrosporus, first described by C.T. Ingold and B. Chapman in 1952.
In his 1929 publication, Weston never designated an order or family for the genus Loramyces, mentioning difficulties resolving its taxonomic placement. The genus has been placed historically in several different families in the outdated Sphaeriales order, including the Halosphaeriaceae, the Sphaeriaceae, the Loramycetaceae, and the Trichosphaeriaceae. The taxonomy of the genus was reevaluated in 1987, and was named by S. Digby and R.D. Goos in 1987. Species in the family are found in North America and Europe, where they grow saprobically on submerged, decaying plant tissue.
Members of the Loramycetaceae family lack stromata, the compact mass of mycelium (with or without host tissue) that supports fruit bodies or in which fruiting bodies are produced. The ascomata, which are formed within a gelatinous matrix, are deeply cup-shaped, almost like a perithecium. The outer tissue layer of the ascomata is thin-walled and transclucent. The ascospores are 2-septate, transclucent, and have a long basal cellular appendage with a gelatinous sheath. This sheath is thought to play the role of a "flotation mechanism", and ultimately give the ascospores a greater chance to become attached to the upper part of the host plant.
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