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. 2009 Aug 4;106(33):13854–13859. doi: 10.1073/pnas.0903244106

Table 2.

Large positive or negative covariances and associated interaction strengths

Species A Category Species B Category Covariance Interaction
Hybanthus prunifolius U Psychotria horizontalis U 27.6 0.00073
Hybanthus prunifolius U Alseis blackiana T 25.5 0.0014
Hybanthus prunifolius U Faramea occidentalis U 18.9 0.000090
Mouriri myrtilloides U Faramea occidentalis U 16.8 0.0057
Desmopsis panamensis U Faramea occidentalis U 11.6 0.00089
Trichilia tuberculata T Mouriri myrtilloides U −5.4 −0.0026
Hirtella triandra T Faramea occidentalis U −6.9 −0.0038
Protium tenuifolium T Faramea occidentalis U −7.1 −0.0020
Hybanthus prunifolius U Tetragastris panamensis T −8.4 −0.0027
Poulsenia armata T Faramea occidentalis U −15.5 −0.0052

The 5 most positive and 5 most negative covariances are shown. T, tree; U, understory.