• Proposed
  • 2Under Assessment
  • 3Preliminary Assessed
  • 4Assessed
  • 5Published

Claroideoglomus etunicatum (W.N. Becker & Gerd.) C. Walker & A. Schüßler

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Scientific name
Claroideoglomus etunicatum
(W.N. Becker & Gerd.) C. Walker & A. Schüßler
Common names
IUCN Specialist Group
Assessment status
Proposed by
Lilian Araujo Rodrigues
Comments etc.
Lilian Araujo Rodrigues

Assessment Notes

Taxonomic notes

When seen under a microscope, spores of Claroideoglomus etunicatum may easily be confused with others spores of Glomus and Claroideoglomus, produce yellow-coloured spores of a more or less overlapping range of their size. However, Claroideoglomus has hypha funnel- to bird-bill-shaped, with and walls that are > 2.5 times wider at the spore base than some distance from the base, the wall of spores of C. etunicatum is 2-layered, that of C. claroideum consists of four layers (Błaszkowski, 2003)

Why suggested for a Global Red List Assessment?

We suggest this species to be categorized as Least Concern (LC) due to the several records worldwide.

Geographic range

Claroideoglomus etunicatum to be one of the most commonly occurring arbuscular fungi in the world.

Population and Trends

A very common species in several countries. It has 480 data according to GBIF when searching Glomus etunicatum and Claroideoglomus etunicatum.

Population Trend: Stable

Habitat and Ecology

This species occurs in different Brazilian biomes: Amazon, Atlantic Forest, Cerrado, Caatinga, Pampa and Pantanal.

Subtropical/Tropical Dry ForestSubtropical/Tropical Moist Lowland Forest


It does not appear to be threatened, as it is well distributed and used in experiments with different hosts.

Housing & urban areasTourism & recreation areasShifting agriculture

Conservation Actions

This species is well multiplied in controlled condition, which may help in the maintenance of this species in the future.

Site/area protectionResource & habitat protectionAwareness & communications

Research needed

Other areas should be studied.

TaxonomyPopulation size, distribution & trendsLife history & ecology

Use and Trade




Marinho, F., da Silva, I. R., Oehl, F., & Maia, L. C. 2018. Checklist of arbuscular mycorrhizal fungi in tropical forests. Sydowia, 70, 107-127.
Wang, F. Y., & Shi, Z. Y. 2008. Biodiversity of arbuscular mycorrhizal fungi in China: a review. Advances in Environmental Biology, 2(1), 31-39.
Cofré, M. N., Soteras, F., del Rosario Iglesias, M., Velázquez, S., Abarca, C., Risio, L., ... & Lugo, M. A. 2019. Biodiversity of Arbuscular Mycorrhizal Fungi in South America: A Review. In Mycorrhizal Fungi in South America (pp. 49-72). Springer, Cham.
obim, K., Vista, X. M., & Goto, B. T. 2018. Updates on the knowledge of Arbuscular Mycorrhizal Fungi (Glomeromycotina) in the Atlantic Forest biome–an example of very high species richness in the Brazilian landscape. Mycotaxon, 133(1), 209-209.

Country occurrence

Regional Population and Trends

Country Trend Redlisted