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Species Information
Summary: Features include minute, platter-shaped, bright orange-red discs that may be slightly concave, delicate white hairs that fringe the margin and inconspicuously clothe the pale orange underside, absent stem, growth with moss on burned soil, and microscopic characters.
Neottiella hetieri is found in BC (Larsen), NY, CT, Europe, (Seaver), Switzerland (Breitenbach), United Kingdom (Dennis), and Denmark, Norway, and Sweden, (Hansen). There is a collection from WA at the University of Washington.
Upper surface: up to 0.2cm, at first almost spherical, expanding to scutellate [platter-shaped] or subdiscoid [almost disc-shaped]; bright orange-red, (Seaver), 0.1-0.3cm, saucer-shaped to disc-shaped; spore-bearing upper surface flat, orange, smooth; margin "turned upward, scurfy-notched, sparsely set with indistinct white hairs", (Breitenbach), up to 0.2cm wide, cup-shaped, disc flat; bright orange, margin fringed with delicate white hairs, (Dennis), 0.05-0.2cm wide, turbinate to disc-shaped; orange, margin dentate, (Hansen)
Underside: pale orange and clothed with delicate white hairs, the hairs fairly abundant but not conspicuous to the naked eye, (Seaver), orange; scurfy-furfuraceous, (Breitenbach), white, clothed with delicate white hairs (which also form marginal fringe), (Dennis)
Stem: none (Dennis, Breitenbach)
Microscopic: spores about 18 x 12 microns, elliptic or more often oval, colorless, containing one large oil droplet or very rarely two, 1-seriate; asci 8-spored, reaching a length of 200-225 microns and width of 16-20 microns; paraphyses reaching a width of 8 microns at tips, stout, rather freely branched, septate, often swollen near the septa, filled with orange granules; hairs reaching a length of 150-200 microns and a width of 4-6 microns, rigid, blunt when young, sharp pointed when mature, colorless, septate, (Seaver), spores 16-17 x 8-9 microns, elliptic, smooth, colorless, with one droplet; asci 8-spored, 180-200 x 18-20 microns, negative reaction with iodine; paraphyses cylindric, septate, sometimes forked, tips with slight clavate widening; hairs 160-200 x 7.5-10 microns, colorless, "smooth, thick-walled, usually with 2-3 septa, ending in a +/- blunt tip", (Breitenbach), spores 13-17 x 8-9 microns, elliptic, smooth, containing one large oil droplet; asci up to 200 x 17 microns; paraphyses up to 7 microns wide at tip, slightly clavate, with orange contents; hairs up to 200 x 15 microns, fusiform in lower part, tapering to a point, "wall smooth, 1-1.5 microns thick, lumen 0-3-septate", (Dennis), spores 16-18.5 x 10-11 microns, smooth, with one large eccentric droplet, hairs 200-400 x 4-8 microns, (Hansen)
Habitat / Range
on "old burnt place which has been overrun with mosses, or occasionally where there is no trace of fire", (Seaver), single or gregarious, on burned ground among mosses (Funaria), in spring, (Breitenbach), amongst Funaria on burnt soil and charcoal, spring and fall, (Dennis for UK), on burnt places, 1-2 years after the burn, among Funaria hygrometrica, (Hansen for north Europe)
Similar Species
Octospora species have no hairs under the microscope, (Breitenbach).
