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A positive reaction of Schaeffer's test, which uses the reaction of aniline and nitric acid on the surface of the mushroom, is indicated by an orange to red color; it is characteristic of species in the section Flavescentes. The compounds responsible for the reaction were named schaefferal A and B to honor Schäffer. [3]
Conocybe rugosa is a common species of mushroom that is widely distributed and especially common in the Pacific Northwest of the United States. It grows in woodchips, flowerbeds and compost. [2] [3] It has been found in Europe, Asia and North America. [2] [3] It contains the same mycotoxins as the death cap mushroom.
Spore prints are usually white to cream, black, or shades of red, purple, or brown. The poisonous false parasol (Chlorophyllum molybdites) has a green spore deposit. [3] Although the spore print is generally used to help identify the genus of a specimen, on occasion it can be used to help distinguish between similar species.
An umbo is a raised area in the center of a mushroom cap. Caps that possess this feature are called umbonate . Umbos that are sharply pointed are called acute , while those that are more rounded are broadly umbonate .
Fungal DNA barcoding is the process of identifying species of the biological kingdom Fungi through the amplification and sequencing of specific DNA sequences and their comparison with sequences deposited in a DNA barcode database such as the ISHAM reference database, [1] or the Barcode of Life Data System (BOLD).
A plate of raw mushrooms on display in Prague. C. caperatus is a highly regarded edible mushroom with a mild to good flavour. [35] It is said to mix well with stronger-flavoured fungi such as chanterelles, boletes, brittlegills or milk-caps. [2] The mushroom can have a faintly bitter taste if eaten raw, but a pleasant nutty flavour when cooked ...
Volvopluteus gloiocephalus, commonly known as the big sheath mushroom, rose-gilled grisette, or stubble rosegill, is a species of mushroom in the family Pluteaceae.For most of the 20th century it has been known under the names Volvariella gloiocephala or V. speciosa, but recent molecular studies have placed it as the type species of the genus Volvopluteus, newly created in 2011.
A 2008 molecular phylogenetic study clarified the relationships among the mushroom-forming species of the family. [15] The authors demonstrated the existence of four distinct lineages of gilled mushrooms, which led to the description of Multifurca as a new genus separated from Russula [15] and the segregation of Lactifluus from Lactarius. [16] [17]