Table 2 Summary of results for the various hybrid microbiota traits that we consider

Diversity

 α-diversity

C^M+I∧ C^M+I∧ *

T^∧ C^M+I∧ *

C^∧ C^∧ *

D^∧ C^∧ *

 β-diversity

T_∨ C^M+I_∨ *

C^M- T_∨

D_∨ C_∨ *

D_∨ D_∨ *

 γ-diversity

T^∧ T^∧ *

T^∧ I

D^∧ D^∧ *

D^∧ D^∧ *

 Core diversity (absolute)

C^M∧ T^∧ *

T^∧ T^∧ *

D^∧ D^∧ *

D^∧ D^∧ *

 Core diversity (%)

C^M+I∧ C^M∧ *

C^M- C^M∧

C^∧ C^∧ *

D^∧ C^∧ *

 Unique core diversity (absolute)

T^∧ T^∧ *

T^∧ C^I∧ *

D^∧ D^∧ *

D^∧ D^∧ *

 Unique core diversity (%)

T^∧ T^∧ *

T^∧ I

D^∧ D^∧ *

D^∧ D^∧ *

Composition

 PCoA axis 1

C^M+I_∨ C^M_∨ *

T^∧ C^M+I∧ *

C_∨ C_∨ *

D^∧ C^∧ *

 PCoA axis 2

C^I∧ C^M+I-

C^I- C^M∧

C^∧ C^∧ *

C^∧ C^∧ *

 20D axis of parental variation

I C^M_∨

I I

D^∧ C_∨

D^∧ D_∨ *

 20D height of triangle

T^∧ T^∧ *

T^∧ T^∧ *

D^∧ D^∧ *

D^∧ D^∧ *

Microbial abundance

 Dietzia maris

T_∨ T_∨ *

T_∨ T_∨ *

D_∨ D_∨ *

D_∨ D_∨ *

 Corynebacterium testudinoris

T_∨ T_∨ *

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D_∨ D_∨ *

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 Fodinibacter luteus

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C^I₀ C^M-

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C₀ C_∨