Comparisons of the ECLE spectra from BOSS LOWZ (black), GMOS (blue), and DESI (red). Emission lines of interest are marked by vertical solid lines with labels at the top of the plots. The dotted lines in the upper plots indicate the region used to rescale the spectra with respect to each other to allow for easy comparison. For the line-specific plots, this rescaling was done on continuum sections of the spectra near the emission line. For SDSS J2218, the vertical dashed lines indicate the |$z\simeq 0$| Balmer emission that is imposed on top of the galaxy spectrum. The labels for these lines are at the bottom of the plot.