A revision of Microchirita in Thailand 
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is currently unknown but is likely to occur there. As limestone habitats are threatened 
throughout the region the status of this species should be monitored. 
Additional specimens examined. THAILAND: Buengkan: Bung Khla, Phu Wua Wildlife 
Sanctuary, Tham Foon Waterfall, 167 m, 21 Oct 2015, Suddee, S. et al. 4970 (BKF, SING). 
Chiang Mai: Cultivated at RBGE from Burtt 5611, C5927, (E); Chiang Dao, Doi Chiang Dao 
Wildlife Sanctuary, 28 Aug 1935, Garrett, H.B.G. 1280 (K); ibidem, 13 Oct 1926, Put, N. 306 
(ABD, BM, K); ibidem, Bunchuai, K. 260 (BKF); ibidem, 1100-1800 m, 13 Sep 1967, Tagawa, 
N. et al. T-9916 (BKF); ibidem, 28 Aug 1935, Garrett, H.B.G. 1002 (E, K [2 sheets], L, P); 
ibidem, 1100-1800 m, 13 Sep 1967, Tagawa, N. et al. T-9915 (BKF); ibidem, 9 Nov 1962, 
Smitinand, T. et al. 7734 (BK); Chiang Dao, Doi Chiang Dao Wildlife Sanctuary, Ban Chiang 
Dao, 25 Aug 1990, Maxwell, J.F. 90-902 (A, CMU, L); Doi Chiengdao, Ban Tham, 500 m, 
14 Aug 1963, Smitinand, T. & Sleumer, H.O. 1003 (BKF); Wat Chiang Dao, c. 450 m, 24 Sep 
1971, Murata, G. et al. T-14857 (BKF, L); Khao Chiang Dao, 30 Oct 1963, Bunchuai, K. 1294 
(BKF); Chiang Dao, Doi Chiang Dao Wildlife Sanctuary, trail to Tam Chiang Dao, 500 m, 20 
Sep 2008, Middleton, D.J. et al. 4520 (BKF, E, P, SING); Foot of Doi Chiang Dao, 500-600 
m, 11 Sep 1967, Tagawa, N. et al. T-9785 (BKF); Doi Inthanon, Mae Pan Fall, c. 1400 m, Oct 
1979, Santisuk, T. s.n. (BKF); Chom Tong, Doi Inthanon National Park, Wachirathan Waterfall, 
710 m, 19 Sep 2008, Middleton, D.J. et al. 4514 (BKF, E); Doi Suthep, 10 Oct 1987, Maxwell, 
J.F. 87-1158 (CMU, L); ibidem, 8 Sep 1958, S0rensen, T. et al. 4829 (ABD); ibidem, 1500 ft, 
14 Nov 1909, Kerr, A.F.G. 897 (BM, K, L, P); ibidem, 2400 ft, 25 Sep 1910, Kerr, A.F.G. 1422 
(BM, K, L, P); ibidem, 1000 m, 5 Sep 1958, S0rensen, T. et al. 4751 (ABD, BKF); Summit 
of Doi Su Thep, 14 Oct 2003, Mattapha, S. 425 (BKF); Mueang Chiang Mai, Doi Suthep-Doi 
Pui National Park, Montatarhn waterfalls, 1 Nov 2005, Palee, P. 882 (A); Doi Suthep-Doi Pui 
National Park, above Huay Dteung Tau Lake, 825-875 m, 28 Aug 1990, Maxwell, J.F. 90-918 
(L); East side of Doi Sutep, Kohntatahn Falls, 600 m, 4 Nov 1987, Maxwell, J.F. 87-1366 
(BKF, CMU, L); Muang Chiang Mai, Doi Suthep-Doi Pui National Park, San Gou, 1030 m, 
17 Sep 2008, Middleton, D.J. et al. 4479 (BKF, E, P); Hang Dong, Ban Pong, Tham Takkatan 
(Grasshopper Cave), above Nam Sum (Mong), 850-930 m, 3 Sep 2003, Maxwell, J.F. 03-270 
(BKF, L); Mae Rim, Pong Yeang, Pong Taa Hoen, 1000 m, 8 Sep 1995, Nanakorn, W. 4160 
(E, QBG); Mae Rim, Pong Yeang, c. 1100 m, 16 Aug 1994, Nanakorn, W. et al. 1348 (E, 
QBG); Mae Taeng, Doi Pah Dae, 9 Aug 1996, Maxwell, J.F. 96-1063 (A, L); Mae Dtang, Geut 
Chang, Pad Dahn village, Doi Saing Liang, 1025 m, 20 Sep 1997, Maxwell, J.F. 97-1011 (A, 
BKF, L); Mae Taeng, Ban Keud, c. 520 m, 25 Aug 1994, Nanakorn, W. et al. 1458 (QBG); 
Mueang Chiang Mai, 12 Sep 1982, Fusai, P. 7 (CMUB); Inthanon, Mae Paam Falls, 1000 m, 
5 Oct 1999, Suksathan, P. 2336 (QBG); Mae Wang, Mae Win, Wang Pah Boon, 24 Aug 2004, 
Palee, P. 695 (A). Lampang: Chae Horn, Jae Sawn National Park, east side, 525 m, 25 Aug 
1995, Maxwell, J.F. 95-556 (BKF, L); Chae Horn, Chae Son National Park, Tad Rung, 527 m, 
2 Sep 2009, Norsaengsri, M., et al. 6042 (QBG); Jae Son National Park, 300 m, 8 Nov 1999, 
Suksathan, P. 1809 (E, QBG); Doi Pang La, Huay Tak, 400 m, 25 Sep 1967, Shimizu, T. et al. 
T-10790 (BKF); en route from Pang La to Huay Tak, 350 m, 24 Sep 1967, Shimizu, T. et al. 
T-10724 (BKF). Lamphun: Mae Tah, Doi Kuhn Dahn National Park, South side, Doi Hoa 
Chang, 1225 m, 4 Sep 1994, Maxwell, J.F. 94-981 (BKF, L). Mae Hong Son: Mae La Noi, 
road from Mae Sariang to Mae Hong Son, 560 m, 20 Oct 2014, Middleton, D.J. et al. 5800 
(BKF, E). Phitsanulok: Thung Salaeng Luang National Park, Kaeng Sopa Waterfall, 375-410 
m, Murata, G. et al. T-38537 (BKF); ibidem, 375—410 m, Murata, G. et al. T-38516 (BKF); 
ibidem, 17 Sep 1990, Chantharanothai, P. et al. 90/298 (K); Thung Salang Luang, Pinnin, S. et 
al. 113 (BKF, E); Thung Salang Luang, S.P. [Pinnin, S.?] et al. 84 (BKF); Tung Salaeng Luang 
