Acrospermaceae

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Acrospermaceae
Acrospermum compressum on a dead nettle stem

Acrospermum compressum on a dead nettle stem
Systematics
Department : Ascomycota mushrooms
Subdivision : Real ascent mushrooms (Pezizomycotina)
Class : Dothideomycetes
Subclass : insecure position (incertae sedis)
Order : Acrospermales
Family : Acrospermaceae
Scientific name of the  order
Acrospermales
Minter , Peredo & AT Watson
Scientific name of the  family
Acrospermaceae
Fuckel

The Acrospermaceae are a family of sac fungi that alone make up the order Acrospermales .

features

The Acrospermaceae have perithecia as fruiting bodies . These grow individually or in groups on the surface of a stroma or break out of it. They are often long club-shaped to conical in shape with a short stem, flattened when dry and swollen when wet. The color varies from yellowish white to brown and black when dry. The ostiolum , the opening of the perithecium, is large. The peridia has three layers in cross-section: an outer layer that forms a textura angularis (a parenchyma- like tissue) from dark brown cells ; a middle layer consisting of a pale brown tissue of elongated cells; an inner layer made up of a dense tissue of small, light brown cells. The hemathecium , the tissue between the tubes , has narrow, long pseudoparaphyses in species of the genus Acrospermum , while there are no pseudoparaphyses in the genus Oomyces . The tubes are eight-pore, bit unique , narrow cylindrical, stalked, rounded at the tip with an eye-shaped chamber. The spores are clustered, thread-like, translucent , often septate , mostly as long as the tubes and smooth-walled. In the minor crop form they are hyphomycetic . The conidia carriers are micronematic , i. H. they hardly differ from the vegetative hyphae . They are pale brown, septate, branched, or unbranched. The conidiogenic cells are holoblastic; H. they are pinched off as a whole after formation. They are sympodial with teeth, pale brown and smooth-walled. The conidia are cylindrical, long elliptical, pale yellow, one to three times septate and smooth-walled.

Way of life

Acrospermum graminum on a dead blade of grass

The known species of the Acrospermaceae live saprobic , epiphytic or symbiotic on herbaceous plants.

Systematics and taxonomy

The Acrospermaceae were described as a family by Leopold Fuckel as early as 1870 with the type species Acrospermum compressum , the order with the only family Acrospermaceae, however, not until 2007 by David William Minter , HL Peredo & Anna T. Watson . The type genus is Acrospermum .

At the moment (as of May 2018) only the following three genera belong to the family:

Individual evidence

  1. ↑ a b DW Minter, HL Peredo and Anna T. Watson: Acrospermum chilense sp. nov. from Chile and the Acrospermales ord. nov. In: Bol. Soc. Argent. Bot. Band 42 , 2007, ISSN  1851-2372 , pp. 107-112 ( org.ar ).
  2. ↑ a b c Kevin D. Hyde, EB Gareth Jones, Jian-Kui Liu, Hiran Ariyawansa, Eric Boehm, Saranyaphat Boonmee, Uwe Braun, Putarak Chomnunti, Pedro W. Crous, Dong-Qin Dai Paul Diederich Asha Dissanayake Mingkhuan Doilom, Francesco Doveri, Singang Hongsanan, Ruvishika Jayawardena, James D. Lawrey, Yan-Mei Li, Yong-Xiang Liu, Robert Lücking, Jutamart Monkai, Lucia Muggia, Matthew P. Nelsen, Ka-Lai Pang, Rungtiwa Phookamsak, Indunil C. Senanayake, Carol A. Shearer, Satinee Suetrong, Kazuaki Tanaka, Kasun M. Thambugala, Nalin N.Wijayawardene, Saowanee Wikee, Hai-Xia Wu, Ying Zhang, Begoña Aguirre-Hudson, S. Aisyah Alias, André Aptroot, AliH. Bahkali, Jose L. Bezerra, D. Jayarama Bhat, Erio Camporesi, Ekachai Chukeatirote, Cécile Gueidan, David L. Hawksworth, Kazuyuki Hirayama, Sybren De Hoog, Ji-Chuan Kang, Kerry Knudsen & Wen-Jing Li & Xing-Hong Li & Zou-Yi Liu & Ausana Mapook, Eric HC McKenzie, Andrew N. Miller, Peter E. Mortimer, Alan JL Phillips, Huzefa A. Raja, Christian Scheuer, Felix Schumm, Joanne E. Taylor, Qing Tian, ​​Saowaluck Tibpromma, Dhanushka N. Wanasinghe, Yong Wang, Jian-Chu Xu, Supalak Yacharoen, Ji-Ye Yan, Min Zhang: Families of Dothideomycetes . In: Fungal Diversity . tape 63 , 2013, p. 1-313 , doi : 10.1007 / s13225-013-0263-4 .
  3. ↑ a b Acrospermaceae . In: MycoBank . Mycobank, accessed May 10, 2018 .
  4. ↑ Nalin N. Wijayawardene, Kevin D. Hyde, H. Thorsten Lumbsch, Jian Kui Liu, Sajeewa SN Maharachchikumbura, Anusha H. Ekanayaka, Qing Tian, ​​Rungtiwa Phookamsak: Outline of Ascomycota: 2017 . In: Fungal Diversity . tape 88 , 2018, p. 167-263 , doi : 10.1007 / s13225-018-0394-8 .

Web links

Commons : Acrospermaceae  - collection of images, videos and audio files