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Table S1 Neighbor roots of P. elliottii found in soil blocks. Neighbor species were grouped into five
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plant functional types (PFTs) including evergreen species, deciduous species, ferns, graminoids, and
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forbs.
Plant functional types (PFTs)
Neighbor species
Evergreen species
Cunninghamia lanceolata (Lamb.) Hook.
Loropetalum chinense (R. Br.) Oliv.
Serissa japonica (Thunb.) Thunb.
Deciduous species
Broussonetia papyrifera (Linn.) L'Hér. ex Vent.
Adinandra millettii (Hook. et Arn.) Benth. et Hook. f. ex Hance
Lonicera maackii (Rupr.) Maxim.
Vitex negundo var. cannabifolia (Sieb. et Zucc.) Hand.-Mazz.
Choerospondias axillaris (Roxb.) Burtt et Hill
Vernicia fordii (Hemsl.) Airy Shaw.
Castanopsis delavayi Franch.
Rosa multiflora var. adenophora Franch. & Sav.
Ferns
Pteris cretica var. nervosa (Thunb.) Ching et S. H. Wu
Woodwardia japonica (Linn. f.) Sm.
Dryopteris championii (Benth.) C. Chr.
Adiantum capillus-veneris (L.) Hook.
Graminoids
Imperata cylindrica var. major (Nees) C. E. Hubb.
Lophatherum gracile Brongn.
Forbs
Dicranopteris pedata (Houtt.) Nakaike
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