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Morchella, the true morels, is a genus of edible sac fungi closely related to anatomically simpler cup fungi in the order Pezizales. These distinctive fungi have a honeycomb appearance due to the network of ridges with pits composing their caps. Morels are prized by gourmet cooks, particularly in French cuisine. Due to difficulties in cultivation, commercial harvesting of wild morels has become a multimillion-dollar industry in the temperate Northern Hemisphere, in particular North America, Turkey, China, the Himalayas, India, and Pakistan, where these highly prized fungi are found in abundance.
Morchella elata is a species of fungus in the family Morchellaceae. It is one of many related species commonly known as black morels, and until 2012 the name M. elata was broadly applied to black morels throughout the globe. Like most members of the genus, M. elata is a popular edible fungus and is sought by many mushroom hunters.
Morchella rufobrunnea, commonly known as the blushing morel, is a species of ascomycete fungus in the family Morchellaceae. A choice edible species, the fungus was originally described as new to science in 1998 by mycologists Gastón Guzmán and Fidel Tapia from collections made in Veracruz, Mexico. Its distribution was later revealed to be far more widespread after several DNA studies suggested that it is common in the West Coast of the United States, Israel, Australia, and Cyprus.
Morchella semilibera, commonly called the half-free morel, is an edible species of fungus in the family Morchellaceae native to Europe and Asia.
Morchella tridentina is a species of fungus in the family Morchellaceae, referred to as the mountain blond or western blond morel in North America, but also found in the Mediterranean basin. It has conical, grey to buff fruit bodies that grow up to 20 cm (7.9 in) tall and 5 cm (2.0 in) wide. Recent molecular and morphological studies have also shown M. tridentina to be conspecific to M. frustrata, M. quercus-ilicis, M. elatoides, M. elatoides var. elegans and M. conica var. pseudoeximia.
Morchella americana is a species of fungus in the family Morchellaceae native to North America. Described as new to science in 2012, it is common east of the Rocky Mountains in a range stretching from Ontario south to Texas, Arkansas, Alabama, Georgia and South Carolina. In western North America, the species typically is found under hardwood, especially cottonwood trees in river bottoms, or with apple trees or ornamental ashes in urban settings. The specific epithet americana refers to its occurrence in North America.
Morchella importuna is a species of fungus in the family Morchellaceae described from North America in 2012. It occurs in gardens, woodchip beds, and other urban settings of northern California and the Pacific Northwest region of the United States and Canada. The fungus has also been reported from Turkey, Spain, France, Switzerland, Canada and China, although it is unknown whether this is a result of accidental introductions. It is considered a choice edible mushroom. The fruit bodies develop a distinctive ladder-like pattern of pits and ridges on the surface of their conical caps.
Morchella capitata is a later synonym of Morchella exuberans. Originally identified as phylogenetic species Mel-9, it was described as new to science in 2012 by Kuo and colleagues. In 2014 however, Richard and colleagues clarified the taxonomic status of this species, retaining the name Morchella exuberans of Clowez (2012) over M. capitata.
Morchella septimelata is a species of fungus in the family Morchellaceae described as new to science in 2012. Occurring in western North America, it has been collected from British Columbia, Montana and Oregon, where it fruits at elevations of 1,000 to 2,000 m in coniferous forests in years following slight to moderate burning.
Morchella populiphila is a species of morel fungus native to northwestern North America. Described as new to science in 2012, its specific epithet refers to its association with black cottonwood. The morel used to be referred to as Morchella semilibera in western North American field guides until molecular analysis established that to be a strictly European species. M. populiphila occurs in California, Nevada and Oregon. Its fruit bodies grow up to 15 cm (6 in) tall with a ridged and pitted conical cap that attaches about halfway down the stipe. The cap ridges are dark brown to black in maturity, while the pits are yellowish to brownish. The fungus is edible, although not as highly valued as other morels.
Morchella punctipes is a species of fungus in the family Morchellaceae native to North America. First described scientifically by American mycologist Charles Horton Peck in 1903, it is widely distributed east of the Rocky Mountains.
Morchella arbutiphila is a species of fungus in the family Morchellaceae (Ascomycota). It was described as new to science in 2016 from the island of Cyprus, where it occurs under strawberry trees. According to multigene phylogenetic analyses presented by Loizides and colleagues, Morchella arbutiphila corresponds to phylogenetic lineage Mel-30, which was also shown to be present in Turkey in a 2010 study by Taşkın and colleagues.
Morchella disparilis is a fungus in the family Morchellaceae. It was described as new to science in 2016 by Loizides and colleagues, and appears to be confined to the Mediterranean Basin, where it grows under strawberry trees and cypress trees.
Morchella fluvialis is a species of fungus in the family Morchellaceae. It was described as new to science in 2014 by Clowez and colleagues, following collections from riparian forests in Spain under Alnus glutinosa, Ulmus minor and Eucalyptus camaldulensis, although previous collections from Turkey under Pinus nigra have also been reported. This species, which corresponds to phylogenetic lineage Mes-18, is very close to Morchella esculenta, from which it differs in its elongated cap with oblong pits and predominantly longitudinal ridges, pronounced rufescence, as well as its Mediterranean hygrophilic distribution along rivers and streams.
Morchella kakiicolor is a species of fungus in the family Morchellaceae (Ascomycota). It was originally proposed as a form of Morchella quercus-ilicis in a 2012 study by Philippe Clowez, but was later re-combined as an autonomous species by Loizides and colleagues, based on molecular phylogenetic data. In the same study, M. quercus-ilicis f. quercus-ilicis was shown by the authors to be a later synonym of the old taxon Morchella tridentina, and not phylogenetically related to M. kakiicolor.
Morchella dunensis, the morel of the dunes, is a species of fungus in the family Morchellaceae (Ascomycota). It was first described as a form of Morchella esculenta by Castañera and colleagues in 1996, but was later recombined as a distinct species by Clowez. In a 2014 study by Richard and colleagues, the authors concluded that the taxon was conspecific to Morchella vulgaris, due to its close phylogenetic proximity to the latter. However, following increased molecular sampling and the testing of an isoparatype collection by Loizides and colleagues in 2016, it was revealed that M. dunensis is indeed very closely related to, but phylogenetically distinct from M. vulgaris. This study also showed that the taxon Morchella andalusiae is phylogenetically identical and therefore a later synonym of M. dunensis.
Morchella dunalii is a species of fungus in the family Morchellaceae (Ascomycota). Although this widespread species was described as early as 1887 by Emile Boudier, it had not appeared in any of the influential literature or monographic works on the genus until very recently. The revival of the name is owed to Moreau and colleagues, who in 2011 designated a lectotype from an old watercolour painting of this forgotten taxon. Subsequent molecular phylogenetic studies by Richard and colleagues in 2014, matched this taxon to phylogenetic lineage Mel-25.
Morchella exuberans is a species of fungus in the family Morchellaceae (Ascomycota). It was described as new to science in a 2012 study by Clowez and corresponds to phylogenetic lineage Mel-9. Morchella capitata, described by Kuo and colleagues later in the same year, is a synonym of this taxon.
Morchella steppicola, the morel of the steppes, is a species of fungus in the family Morchellaceae (Ascomycota). Originally described from the steppic meadows of Ukraine in 1941, this ancient relic of the last ice age corresponds to Mes-1, the earliest-diverging phylogenetic lineage in section Esculenta.
Morchella casteneae is a species of fungus in the family Morchellaceae (Ascomycota). It was described as new to science in a 2012 study by Clowez and appears to be confined to the Iberian peninsula. A subsequent phylogenetic and nomenclatural study by Richard and colleagues has confirmed M. castaneae as a distinct species and showed the taxa Morchella brunneorosea and Morchella brunneorosea var. sordida to be synonymous.
References
- ↑ Ruini S. (2000). "Una nuova specie da Varese, Morchella varisiensis sp. nov" [A new species of fungus, Morchella varisiensis sp. nov.]. Rivista di Micologia (in Italian). 43 (1): 17–26.
- ↑ Richard F, Bellanger JM, Clowez P, Hansen K, O'Donnell K, Urban A, Sauve M, Courtecuisse R, Moreau PA (2015). "True morels (Morchella, Pezizales) of Europe and North America: evolutionary relationships inferred from multilocus data and a unified taxonomy". Mycologia. 107 (2): 359–382. doi: 10.3852/14-166 . PMID 25550303.
