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Diderma circumscissile

Description

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Genus Diderma

Sporocarpous, plasmodiocarpous or occasionally pseudo-aethaloid. Peridium with granular lime, typically double , but can be single or triple. In the latter case, crystalline lime may be present in the middle layer. Columella usually conspicuous but sometimes reduced to a thickened base . Capillitium lime-free, consisting of branched and anastomosed threads.

Physical Description

Species Diderma circumscissile

Sporocarps crowded, 0.4-0.6 mm diam., globose or angular due to mutual pressure , white, sessile, embedded in an extensive concolorous hypothallus. Peridium typically double and distant , the outer layer smooth , calcareous, pale to white, the inner layer membranous, grey. Dehiscence circumscissile by the separation of a circular or semicircular lid. Columella clavate , calcareous, white, reaching to c. the centre of the sporotheca. Capillitium threads sinuate , violaceous brown, paler at the tips , dichotomously branched and anastomosed. Spore-mass black. Spores pale-yellow brown, verruculose , (10-)11-16(-17) µm diam.

Taxonomy

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Unambiguous Synonyms

  1. Diderma circumscissile S. D. Patil, Mishra & Ranade 1979
  2. Diderma circumscissile S.D. Patil, R.L. Mishra{?} & Ranade 1979

Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: Kirk P.M. , 14-Sep-2005

Similar Species

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Members of the genus Diderma

There are approximately 157 species in this genus. Here are just 100 of them:

D. acanthosporum · D. acuminatum · D. albescens · D. alexopouli · D. alpinospumarioides · D. alpinum · D. alpinum f. microcarpum · D. antarcticola · D. antarcticum · D. areolatum · D. asteroides · D. atrovirens · D. aurantiacum · D. badhamioides · D. badhamiopsis · D. botryosum · D. brooksii · D. brunneobasale · D. brunneobasalis · D. carmichaelianum · D. carneum · D. chondrioderma · D. cinereum · D. cingulatum · D. cingulatum var. rimosum · D. cingulatum var. rimosum f. pallidosporum · D. circumdissilens · D. circumscissile · D. compactum · D. complanatum · D. concavum · D. concinnum · D. contortum · D. cor-rubrum · D. corrugatum · D. crassipes · D. cribrosum · D. cristatosporum · D. crustaceum · D. cubense · D. cyanescens · D. darjeelingense · D. deplanatum · D. diadematum · D. donkii · D. donkii var. donkii · D. donkii var. echinosporum · D. effusum · D. effusum var. effusum · D. effusum var. microsporum · D. effusum var. pachytrichon · D. endoleuca · D. evelinae · D. fallax · D. flavidum · D. floriforme · D. fragile · D. geasterodes · D. gigantocolumellae · D. globosum · D. globosum var. europaeum · D. globosum var. globosum · D. globosum var. roseum · D. gracile · D. gracilis · D. granulatum · D. hemisphaericum · D. hookeri · D. imperiale · D. imperialis · D. indicum · D. laciniatum · D. lenticulare · D. lepidotum · D. libertianum · D. liceoides · D. lohgadense · D. lucidum · D. lyalii · D. lyallii · D. macrosporum · D. maculatum · D. marieae · D. meyerae · D. microcarpum · D. microsporum · D. miniatum · D. minutum · D. montanum · D. montanum var. album · D. montanum var. montanum · D. muscicola · D. mussooriense · D. neesii · D. nigripes · D. nigrum · D. niveum · D. niveum var. ferrugineum · D. oblongum · D. ochraceum

Bibliography

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More Info

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Notes

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Contributors

Identifiers

Last Revised: 2008-10-06