Table 2. Mean (±s.e.) of 16:1ω5 NLFA concentrations in soil collected from replicated knapweed, spurge and cheatgrass invasions, as well as remnant native plant communities on MPG Ranch.

Plant community	n	16:1ω5 NLFA (nmol g per soil)
Native	7	34.5 (3.19)b
Cheatgrass	6	18.8 (3.71)c
Knapweed	5	59.0 (8.91)a
Spurge	7	39.1 (4.58)b

Abbreviation: NLFA, neutral lipid fatty acid.

Super-scripted letters indicate significant differences (P⩽0.05) among means using Fisher's lsd.