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Table 1 Description and location of sampling sites.

From: Two mycoheterotrophic orchids from Thailand tropical dipterocarpacean forests associate with a broad diversity of ectomycorrhizal fungi

Species and sampling site Geocodes and elevation Type of forest and dominant treesα No. of orchids sampled
Aphyllorchis montana    
Doi Suthep #1 18°48'39" N 98°55'00" E 1053 m Evergreen forest: Castanopsis acuminatissima (F), Castanopsis diversifolia (F), Dipterocarpus costatus (D), Manglietia garretti (Magnoliaceae), Carallia brachiata (Rhizophoraceae). 11
Doi Suthep #2 18°48'24" N 98°55'19" E 950 m Evergreen forest: Dipterocarpus costatus (D), Castanopsis diversifolia (F). 11 (+ isotopes samples) β
Queen Sirikit Botanical Garden #1 18°54'24" N 98°51'48" E 811 m Dry dipterocarpacean forest: Dipterocarpus costatus (D), Shorea roxburghii (D), Castanopsis argyrophylla (F), Castanopsis tribuloides (F), Lithocarpus thomsonii (F), Diospyros variegate (Ebenaceae), Phoebe lanceolata (Lauraceae), Protium serratum (Burseraceae). 8
Queen Sirikit Botanical Garden #2 18°53'36" N 98°51'27" E 729 m Oak forest: Lithocarpus sootepensis (F), Dipterocarpus costatus (D), Shorea roxburghii (D). 2
Nam Nao 16°93'48" N 101°33'39" E 700 m Bamboo forest: Castanopsis diversifolia (F), Lithocarpus sp (F). 1
Khao Chamao 12°58'41" N 101°42'05" E 800 m Dipterocarpacean forest: Dipterocarpus dyeri (D). 4
Klong Pla Kaeng 12°56'08" N 101°44'09" E 700 m Dipterocarpacean forest: Dipterocarpus dyeri (D). 2
Aphyllorchis caudata    
Doi Suthep #3 18°48'39" N 98°55'00" E 1050 m Evergreen forest: Dipterocarpus costatus (D), Castanopsis diversifolia (F). 11 (+ isotopes samples) β
Doi Inthanon 18°35'25" N 98°29'09" E 1000 m Evergreen forest: Castanopsis acuminatissima (F), Lithocarpus sp. (F), Quercus sp. (F), Schima wallichii (Theaceae). 2
Cephalanthera exigua    
Doi Pee Pan Nam 19°06'05" N 99°20°84"E 2015 m Evergreen forest: Castanopsis acuminatissima (F), Castanopsis sp. (F), Gironniera sp. (Ulmaceae), Lithocarpus sp. (F), Michelia floribunda (Magnoliaceae), Myrica esculenta (Myricaceae), Neolitsea sp. (Lauraceae), Camellia oleifera (Theaceae), Schima wallishii (Theaceae), Syzygium angkae, Syzygium sp. (Myrtaceae). 9 (+ isotopes samples) β
  1. α F: Fagaceae; D: Dipterocarpaceae.
  2. β For species sampled for isotopic studies, see Figure 6.