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

Acaulospora reducta Oehl, B.T. Goto & C.M.R. Pereira

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Scientific name
Acaulospora reducta
Oehl, B.T. Goto & C.M.R. Pereira
Common names
IUCN Specialist Group
Assessment status
Proposed by
Lilian Araujo Rodrigues
Comments etc.
Lilian Araujo Rodrigues

Assessment Notes

Taxonomic notes

Acaulospora reducta has laminated wall spores (OWL2) with double ornamentation, consisting of large irregular depressions (7.8-5.2 × 7.8-17.9 µm) and a roughness consisting of small internal depressions (<1 µm) can be easily differentiated from other species of the genus Acaulospora ( Oehl et al., 2012 ).

Why suggested for a Global Red List Assessment?

We suggest this species to be categorized as Least Concern (LC).

Geographic range

This species is known in two countries.

Population and Trends

Records are found in Brazil and Mexico.

Population Trend: Uncertain

Habitat and Ecology

In Brazil the species is found in the Amazon, Atlantic Forest, Caatinga and Cerrado.

Subtropical/Tropical Dry ForestSubtropical/Tropical Moist Lowland Forest


This species can be found in Brazilian Tropical rainforest and Tropical Dry Forest. These forests currently have higher rates of deforestation, especially the Atlantic Forest, which is considered a hotspot.

Housing & urban areasTourism & recreation areas

Conservation Actions

Most records are in area with native vegetation of Brazil. The isolation of this fungus in controlled condition represents an advance for the conservation of this species.

Site/area protectionResource & habitat protection

Research needed

Other areas should be studied in order to assess the distribution of this species.

TaxonomyPopulation size, distribution & trendsLife history & ecology

Use and Trade




Jobim, 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.
Pereira, C. M., Goto, B. T., da Silva, D. A., de Ferreira, A. A., de Souza, F. A., da Silva, G. A., ... & Oehl, F. (2015). Acaulospora reducta sp. nov. and A. excavata-two glomeromycotan fungi with pitted spores from Brazil. Mycotaxon, 130(4), 983-995.
Chimal-Sánchez, E., Reyes Jaramillo, I., Salmerón-Castro, J. Y., Vázquez-Pérez, N., & Varela-Fregoso, L. (2018). Cuatro nuevos registros de hongos micorrizógenos arbusculares (Glomeromycota) asociados con Agave karwinskii y A. angustifolia (Agavaceae) de Oaxaca, México. Acta botánica mexicana, (125).

Country occurrence

Regional Population and Trends

Country Trend Redlisted