Septoglumus constrictum, valid name, is a species easy to recognize because of the distinctive colour of its spores, which varies Fairly wide range, from red-brown to almost black (INVAM).

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

This fungus has a worldwide distribution.

A very common species in several countries. It has 150 data according to GBIF when searching Glomus constrictum, Septoglomus constrictum and Funneliformis constrictum.

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

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

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

Other areas should be studied.

None.

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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.
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