Table 3. Association of A. marginale MSP1a R1 sequences with world ecoregions.

Ecoregion	R1 sequences(a)	Other R1 sequences(b)
1: central Africa and central South America, primarily Argentina and southern Brazil	M, 4, 8, 12, 16, 56, 60, 64, 67, 69, 72, 78, 93, 132, γ, π, τ	A, B, D, T, 13, 23, α
2: Mesoamerican corridor, northern South Americaand a small territory of eastern South Africa	E, F, 28, 37, 48, 53, 54, 84, 85, 101, 117, 121,126, 129, 136, ε	A, B, L, T, 13, 23, α
3: central South Africa and scattered parts ofsouthern USA and Mexico	M, O, Q, U, 1, 3, 5, 6, 7, 27, 33, 34, 39, 40, 42, 74,77, 82, 141, 142, 143, 147, 151, 154, 155,	A, D
4: USA	I, J, K, O, U, 19,	A, B, L, α

World ecoregions were built upon temporal series of NDVI values.

^(a)R1 sequences recorded in one ecoregion only.

^(b)R1 sequences that have been reported in other ecoregions.