These five species of colorful cup fungi, all collected over the course of a morning in the same area, represent between them four entirely different taxonomic families.
Indeed, the greatest common denominator between them lies in their shared classification as ascomycetes. The ascomycetes are the largest subdivision of fungi, comprising over 15, known species. The remainder of fungi, known as basidiomycetes, produce spores on the exterior, rather than within, specialized cells called basidia. Although this distinction is microscopic, it is often possible to determine to which of the two a fungus belongs by structure alone.
As far as macroscopic, fleshy fungi are concerned, the majority are basidiomycetes. These include all gilled and pored mushrooms, bracket fungi, jelly fungi, coral and club fungi, puffballs, earthstars, and Peziza asexual reproduction pictures.
More unusual shapes, such as cup fungi, saddle fungi, earth tongues, truffles, and morels, on the other hand, all belong to the Ascomycota. Although they are taxonomically distinct, the five species are morphologically and ecologically quite similar. Each cup- or disk-shaped fungus is divided into a spore-producing, or fertile, upper surface and a non-spore producing, sterile lower surface. The fertile surface contains the asci see rightwhich produce four or eight haploid spores by meiosis.
When mature, the asci become turgid and eventually burst, releasing the spores into the air. If a spore settles in favorable conditions and germinates, it grows into a network of haploid mycelium—underground fungal tissue similar to plant roots. The now-dikaryotic having two "Peziza asexual reproduction pictures" cells grow into a dikaryotic mycelium, which can produce a fruiting body. The inside the developing asci in the fruiting body, the two nuclei finally fuse together karyogamy to create a diploid cell.
However, barely has the ascus become diploid when it must again undergo meiosis to produce haploid Peziza asexual reproduction pictures, destined to become spores.
This fairly bizarre life cycle is supplemented by asexual reproduction; mycelium that are still haploid often produce haploid fruiting bodies conidiophores. These generate special spores conidia with genotypes identical to that of the parent mycelium.
Like other spores, the conidia germinate and produce their own mycelium. As with most fungi, all of these species are saprobic—that is, they acquire energy from decomposing organic matter. Saprobic fungi are, in fact, the only multicellular organisms capable of digesting cellulose and lignin, two main components of wood. This specimen belongs to Peziza asexual reproduction pictures of two species S.
The two species are otherwise identical, with sometimes-irregular, sup-shaped fruiting bodies that can reach 7 cm in diameter and sport a bright red or scarlet fertile surface and a lighter, hairy sterile surface.
Both can be found on decaying hardwood sticks and logs throughout Peziza asexual reproduction pictures America east of the Rocky Mountains. It rarely exceeds 3 mm in diameter, with lemon- to golden-yellow, smooth fertile and sterile surfaces. It is usually found in clusters on decaying wood in the summer and fall across much of North America.
This bright little fungus earns its common name by the tiny, dark, eyelash-like hairs ringing the margin of the inner, fertile surface.
They vary in size from minute to 1. The lower, sterile surface is a darker color and covered with short, dark hairs.
The distinctive bright orange-to-scarlet color and eyelashes are, unfortunately, shared by a number of similar species. Although microscopic examination is often necessary, the substrate the fungi are found on can be a useful identifying factor many similar species are found on soil, rather than rotting wood. Brown cup fungi are difficult to identify without microscopic examination. Both these species are saprobic on decaying Peziza asexual reproduction pictures. Skip to main content.
Cup Fungi Thursday, July 17, Scarlet Cup Fungus Sarcoscypha spp. Eyelash Pixie Cup Scutellinia scutellata This bright little fungus earns its common name by the tiny, dark, eyelash-like hairs ringing the margin of the inner, fertile surface.
Brown Cup Fungi Peziza spp. Ten Speed Press, We do not have a slide of the Peziza-please view the pictures on the website. b.
Are conidiospores used in sexual or asexual reproduction? iii. Use the space.
Compare these to the prepared slides of Coprinus. Aspergillus, it typically makes a huge number of asexual spores and undergoes sexual reproduction less frequently.