Enumeration of Thai Pteridophytes Collected during 1965-66

This is another collective species, and further studies are in need both in the
fields and in the herbaria.
22. Diplaziurn sirnpliciveniurn Holtt. Gard. Bull. S.S. 11: 100. 1940; Tagawa &
K. Iwats. (1965) 88.-Athyrium simplicivenium (Holtt.) Holtt. (1954) 573, (1961) 32.
NAKAwN SRITAMARAT: Khao Luang, damp mountain slope in dense evergreen
forest, alt. 1100-1786 m, T -4803. TRANG: Khao Chong, moist slope in dense forest,
alt. ca. 400 m, T -6982.
Thailand and Malaya.
23. Diplaziurn dilataturn Blume, 1.c. (1828) 194; Sledge, Bull. Brit. Mus. (Nat.
Hist.) Bot. 2 : 303. 1962; Tagawa & K. Iwats. (1965) 87.--Athyrium dilatatum
(Blume) Milde; Holtt. (1954) 574.--Diplazium maximum (Don) C. Chr.; Tard. &
C. Chr. (1939-51) 263.
CHIANGRAI: Ban Lang Lat to Doi Pacho, moist slope along stream in light shade,
alt. ca. 1400 m, T -3568. CHIANGMAI: Doi Suthep, by stream in evergreen forest, alt.
ca. 1000 m, T -3849, ibid., moist mountain slope in dense mixed forest, alt. ca. 1100 m,
T -3960; Doi Inthanon, wet ground by stream in dense forest, alt. 1350-1900 m, T -2654.
LORY: north ridge of Phu Luang, mountain slope in dense forest, alt. 1100-1500 m,
T -1269; Phu Kradung, moist dense forest, alt. ca. 1100 m, T -642. PHITSANULOK:
Tung Salaeng Luang National Park, rather wet ground by stream in light shade,
alt. ca. 500m, T-2041. NAKHoN NAYOK: near Hiewsai Waterfall, Khao Yai National
Park, moist cleyey slope along river in light shade, alt. ca. 800 m, T -7427. CHAN­
TABURI: Khao Soidao, moist mountain slope in dense evergreen forest, alt. ca. 1000 m,
T -7184. TRANG: Khao Chong, mountain slope along stream in dense forest, alt. ca.
800 m, T -6832.
India generally, Burma, South China, Taiwan, Ryukyu and Southwest Japan,
Indo-China, Thailand, Malaysia and to northern Australia.
24. Diplaziurn esculenturn (Retz.) Sw. Schrad. J. Bot. 1801 (2) : 312. 1803; Tard.
& C. Chr. (1939-51) 269; Tagawa & K. Iwats. (1965) 88.--Athyrium esculentum
(Retz.) Cope1.; Holtt. (1954) 562.
CHIANGMAI: near Mae Klang Waterfall, interior of Chom Thong, rather wet
ground by rice fields in open place, alt. ca. 350 m, T -2257. NAKHON NAYOK: Khao
Yai National Park, moist ground by river in open place, alt. ca. 800 m, T -7395.
Tropic of Asia generally, north to central China and Japan (South Kyushu),
east to southern Pacific Islands.
Hypodernatiurn Kunze
1. Hypodernatium crenaturn (Forsk.) Kuhn, Deck. Reis. Bot. 3 (3) : 37. 1879;
Ching, Sunyatsenia 3: 9. 1935; Tard. & C. Chr. (1939-51) 374; Holtt. (1954) 501, (1965)
238.
106 -106-