Carex echinata, the star sedge or little prickly sedge, a plant species native to North and Central America and parts of Eurasia
Carex | Caesalpinia echinata | Carex sylvatica | Carex nigra | Carex lyngbyei | Carex leporina | Carex geyeri | Carex flacca | Carex echinata | The fungus forms ectomycorrhiza-like structures with the sedge ''Carex flacca | Glycyrrhiza echinata | Cucumaria echinata | C. echinata | Carex utriculata | Carex rossii | Carex pilulifera | Carex otrubae | Carex inops | Carex emoryi | ''Carex binervis'' in its typical habitat, growing among ''Calluna | Acaena echinata |
Phaestoglochin, but hybrids have been reported between C. spicata and C. otrubae, and between C. spicata and C. echinata.