Table 1. Symbols used throughout the text.

Symbol	Meaning
ρ	population-scaled recombination rate
$\widehat{\rho }$	TREE estimate of ρ
${\rho }_{ph}$	Camara et al.’s estimate of ρ
ψ	Mean bar length in dimension 0
${\beta }_i$	$i^{th}$ Betti number
θ	Watterson’s population mutation rate
$H_i$	$i^{th}$ homology group
$\text{Φ}$	variance in ψ