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Normalized next-neighbor distance (NND) variances of trichomes and stomata of Columbia (Col) and rol1 mutant. Two alleles of the rol1 mutant showed increased regularity of stomata patterns (white); however, the trichome pattern showed no correlation (black). WT, wild-type, rol1-1 and rol1-2, two alleles of rol1 mutants; * p < 0.05 (F test).
