Phylogenetic constraints do not explain the rarity of nitrogen-fixing trees in late-successional temperate forests.

PLoS One · 2010 · PMC2917374 · PMID 20700466

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only marginally significantno p-value reported

The above results hold whether N fixers are compared to all non-fixing angiosperms or only candidate N fixers (non-fixers in the potentially N-fixing clade), although some comparisons are only marginally significant.

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