Plant Breeding and Biotechnology

Table. 1. Table 1

Locations of Rhynchostylis sp., V. coelestis and A. houlettiana accessions collected from Northeast Thailand.

S. No.	Location	GPS Coordinates	Altitude	Species collected
1	Wat Pa Mancha Khiri, Mancha Khiri District, Khon Kaen Province	16°07'07.2"N 102°32'00.8"E	163.16 m	R. gigantea (Lindl.) Ridl.

2	Agricultural Technology Park, Faculty of Agriculture, Khon Kaen University, Khon Kaen Province	16°27'52.9"N 102°48'47.0"E	176.11 m	R. gigantea var. harrisonianum Holtt.

3	Agricultural Technology Park, Faculty of Agriculture, Khon Kaen University, Khon Kaen Province	16°27'52.9"N 102°48'47.0"E	176.11 m	R. gigantea (white witd red-blotches flower)

4	Mancha Khiri District, Khon Kaen Province	16°07'28.6"N 102°32'20.9"E	163.16 m	R. gigantea var. rubrum Sagarik

5	Keung Subdistrict, Muang District, Maha Sarakham Province	16°12'28.3"N 103°15'55.2"E	143.98 m	R. gigantea var. vivaphandhul

6	Agricultural Technology Park, Faculty of Agriculture, Khon Kaen University, Khon Kaen Province	16°27'52.9"N 102°48'47.0"E	176.11 m	R. retusa (L.) Blume

7	Kut bak Subdistrict, Kut bak District, Sakon Nakhon Province	17°04'18.5"N 103°49'04.9"E	204.92 m	V. coelestis (Rchb.f.) Motes

8	Suranaree Subdistrict, Muang District, Nakhon Ratchasima Province	14°52'13"N 102°00'22"E	227.03 m	Aerides houlettiana Rchb. f.

*Species identification was based on appearance (Sumaythachotphong et al. 2020).