Journal Article 2 dark septate endophyte Alaska 1 Lulworthia 1 N762921K75 1 Nitrogen 1 Research Support, Non-U.S. Gov't 1 mehr ... Research Support, U.S. Gov't, Non-P.H.S. 1 Spartina alterniflora 1 ectomycorrhizal fungi 1 environmental gradient 1 ericoid mycorrhizal fungi 1 genotype 1 intraspecific variation 1 isotope 15N 1 moist acidic tundra 1 plant–soil (belowground) interactions 1 root‐associated fungi 1 shrub expansion 1 weniger ...