Grimmia

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Genus of mosses

title: "Grimmia" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["moss-genera", "grimmiales", "taxa-named-by-johann-hedwig"] description: "Genus of mosses" topic_path: "general/moss-genera" source: "https://en.wikipedia.org/wiki/Grimmia" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Genus of mosses ::

| image = Grimmia pulvinata 2004.11.14 14.50.37.jpg | image_caption = Grimmia pulvinata | display_parents = 3 | taxon = Grimmia | authority = Hedw. ::figure[src="https://upload.wikimedia.org/wikipedia/commons/6/6e/Grimmia_dissimulata_habit_dry_2009-01-29.jpg" caption="''Grimmia dissimulata'' habit dry 2009-01-29"] ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/e/e0/Grimmia_maido_habit_moist_2008-11-08.jpg" caption="''Grimmia maido'' habit moist 2008-11-08"] ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/4/46/Grimmia_torenii_habit_dry_2008-11-07.jpg" caption="''Grimmia torenii'' habit dry 2008-11-07"] ::

Grimmia is a genus of mosses, originally named by Jakob Friedrich Ehrhart in honour of Johann Friedrich Carl Grimm, a physician and botanist from Gotha, Germany.

Geographic distribution

Although predominantly occurring in the moderate zones, representatives of the cosmopolitan genus Grimmia may be found in all parts of the world, from Alaska to the most southern point of Chile, and from Siberia to South Africa, though in tropic regions, e.g. Hawaii and Indonesia. Grimmia species can only be found at high altitudes, mainly mountains.

Identification

Grimmia is a notoriously difficult genus in terms of identification, and in the majority of herbaria a considerable number of species was found misidentified. The American bryologist Geneva Sayre (1911–1992), who worked for many years on a monograph of the North American Grimmias, indicated in an original way these difficulties, as she said: "it contains an ambigua, a varia, a decipiens, a controversa, a revisa and at least two anomalas".

Publications

In the Index Muscorum, the genus Grimmia is represented with 800 names of published species. As since Loeske (1930), no revision of the European species had been carried out.

The Dutch bryologist H. C. Greven started in 1990 with Grimmia fieldwork and a revision of the Grimmia collections from important European herbaria. The results were published in "Grimmia Hedw. (Grimmiaceae, Musci) in Europe".

After examining the Grimmia collections from herbaria in North- and South America, South Africa, Australia and New Zealand, and about 50 Grimmia collecting trips in all continents, Grimmias of the World was published. An important contribution was the revision of Grimmia in North America.

In the past decades, some more bryologists became interested in the genus Grimmia. Jesús Muñoz published a herbaria revision of Grimmia in Latin America, and Maier studied herbarium specimens of Grimmia from the Himalaya.

Classification

The genus Grimmia contains the following species:

Latest discovered species

In the past 20 years (1996 to 2015), the following Grimmia species have been discovered and described:

  1. Grimmia maido (Greven 1996)
  2. Grimmia macroperichaetialis (Greven 1998)
  3. Grimmia ochyriana (Muñoz 1998)
  4. Grimmia wilsonii (Greven 1998)
  5. Grimmia mexicana (Greven 1999)
  6. Grimmia molesta (Muñoz 1999)
  7. Grimmia indica (Goffinet & Greven 2000)
  8. Grimmia dissimulata (Maier 2002b)
  9. Grimmia nevadensis (Greven 2002)
  10. Grimmia serrana (Muñoz, Shevock & Toren 2002)
  11. Grimmia lesherae (Greven 2003)
  12. Grimmia mauiensis (Greven 2003)
  13. Grimmia maunakeaensis (Greven 2003)
  14. Grimmia shastae (Greven 2003)
  15. Grimmia milleri (Hastings & Greven 2007)
  16. Grimmia torenii (Hastings 2008)
  17. Grimmia texicana (Greven 2010)
  18. Grimmia ulaandamana (Feng, Munoz, Kuo, and Bai 2013)
  19. Grimmia grevenii (Feng, X.L. Bai & J. Kou 2014)

References

Maier, E. 2009). Grimmia in Europa. Ein Bestimmungsschlüssel. Herzogia 22: 229-302. Maier, E. (2010). The Genus Grimmia Hedw. (Grimmiaceae, Bryophyta): A Morphological-anatomical Study. Boissiera 63: 3-377

References

  1. (1905). "Verein für Naturkunde an der Unterweser. Separate Schriften des Vereins fur Naturkunde an der Unterweser. No. 2-3.".
  2. "Farlow Reference Library at Harvard University".
  3. Richards, P.. (1993). "Geneva Sayre (1911-1992)". [[Journal of Bryology]].
  4. Wijk, van der, R.. (1962). "Index Muscorum". International Association for Plant Taxonomy.
  5. Loeske, L.. (1930). "Monographie der europäischen Grimmiaceen". E. Schweizerbart'sche Verlagsbuchhandlung.
  6. Greven, H. C.. (1995). "''Grimmia'' Hedw. (Grimmiaceae, Musci) in Europe". Backhuys Publishers.
  7. Hastings, R. I.. (2007). "''Grimmia milleri'' sp. nov. (Grimmiaceae) from northeastern North America and the status of ''Grimmia afroincurva''". [[The Bryologist]].
  8. Muñoz, J.. (1999). "A revision of ''Grimmia'' (Musci, Grimmiaceae) in the Americas. 1: Latin America". [[Annals of the Missouri Botanical Garden]].
  9. Maier, E.. (2002). "The genus ''Grimmia'' (Musci, Grimmiaceae) in the Himalaya". [[Candollea (journal).
  10. "Grimmia Hedw.".
  11. (2023-09-01). "''Grimmia shevockii'' and ''G. insolita'', two new species endemic to California". Journal of Bryology.
  12. Greven, H. C.. (1996). "''Grimmia maido'' and ''Grimmia sanii'', Two new species from Africa". [[The Bryologist]].
  13. Greven, H. C.. (1998). "''Grimmia macroperichaetialis'', a new species from Australia". [[The Bryologist]].
  14. Muñoz, J.. (1998). "''Grimmia ochyriana'' (Musci, Grimmiaceae), a new species from Nepalese Himalaya". [[Nova Hedwigia]].
  15. Greven, H. C.. (1998). "Synopsis of ''Grimmia'' Hedw. in New Zealand, including ''Grimmia wilsonii'' sp. nov.". [[Journal of Bryology]].
  16. Greven, H. C.. (1999). "A synopsis of ''Grimmia'' in Mexico, including ''Grimmia mexicana'' sp. nov.". [[The Bryologist]].
  17. Goffinet, B.. (2000). "''Grimmia indica'' (Grimmiaceae), a new combination". [[Journal of Bryology]].
  18. Maier, E.. (2002). "''Grimmia dissimulata'' E. Maier sp. nova, and the taxonomic position of ''Grimmia trichophylla'' var. ''meridionalis'' Müll. Hal. (Musci, Grimmiaceae)". [[Candollea (journal).
  19. Greven, H. C.. (1999). "''Grimmia nevadensis'', a new species from California". [[The Bryologist]].
  20. Muñoz, J.. (2002). "''Grimmia serrana'' (Bryopsida, Grimmiaceae), a new species from California, U.S.A.". [[Journal of Bryology]].
  21. Hastings, R. I.. (2008). "''Grimmia torenii'' sp. nov. (Grimmiaceae) from California and its separation from ''G. ovalis'' and ''G. tergestina''". [[The Bryologist]].
  22. Greven, H. C.. (2010). "''Grimmia texicana'' sp. nov. (Grimmiaceae) from Texas and its separation from ''Grimmia arizonae''". [[The Bryologist]].
  23. "Grimmia Ulaandamana (Grimmiaceae), a new Moss Species from China".
  24. "Grimmia grevenii (Grimmiaceae), a new species from the Wudalianchi volcanoes in northeast China and its comparison with G. maido and G. longirostris".

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