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. 2021 Jun 18;71(2):334–352. doi: 10.1093/sysbio/syab047

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© The Author(s) 2021. Published by Oxford University Press on behalf of the Society of Systematic Biologists.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — (a and a) Deep and shallow balanced species trees and b and b) deep and shallow unbalanced species trees for eight species used for simulating data under the MSC model. c and c) Deep and shallow species trees with introgression used to simulate data under the MSci model. The ages of internal nodes (s) are shown next to the nodes, with = 0.01 (high rate) or 0.001 (low rate). The blue indexes at internal nodes of the tree are used to identify the parameters associated with the ancestral species (e.g., is the age of the root and is the population size for the root population in a and b).

Inline graphic — (a and a) Deep and shallow balanced species trees and b and b) deep and shallow unbalanced species trees for eight species used for simulating data under the MSC model. c and c) Deep and shallow species trees with introgression used to simulate data under the MSci model. The ages of internal nodes (s) are shown next to the nodes, with = 0.01 (high rate) or 0.001 (low rate). The blue indexes at internal nodes of the tree are used to identify the parameters associated with the ancestral species (e.g., is the age of the root and is the population size for the root population in a and b).