Annonaceae A: 02176432 Desmos dumosus Safford Thailand: Lampang Doi Khun Tan, Mae Tha District H. Koyama T-39081 1984-12-27
A: 02176432 Desmos sp. Thailand: Lampang Doi Khun Tan, Mae Tha District H. Koyama T-39081 1984-12-27
Asteraceae A: 01237474 Artemisia capillaris Thunberg China: Liaoning Lueda Shi: Mt. Nan-shan, Dalien-shi, Souther... H. Koyama 7691 1985-8-8
A: 01237893 Artemisia koidzumii Nakai Japan: Hokkaido Pref. Sohya: vicinity of Shiretoko, Rebun-ch... H. Koyama 5607 1978-8-19
A: 01238531 Artemisia stelleriana Besser Japan: Hokkaido Pref. Sohya: vicinity of Koetoi, Wakkanai-sh... H. Koyama 5564 1978-8-17
A: 00283560 Aster kantoensis Kitamura Japan: Tokyo Sekido-bashi, Tama-cho, Minamitama-gun H. Koyama 55 1969-10-19
A: 00977063 Aster tataricus Linnaeus f. Japan: Hokkaido Sohya: vicinity of Koetoi, Wakkanai-shi H. Koyama 5560 1978-8-17
A: 00977426 Atractylodes japonica Koidzumi ex Kitamura Japan: Iwate Takino-sawa <413401/14>, Yamagata-mura, Kuno... H. Koyama 7901 1987-8-29
A: 00219716 Macroclinidium trilobum (Makino) Makino Japan: Fukushima E-slope of Mt. Tengu-yama, Fujiwara-cho, Iwa... H. Koyama 8671 1994-10-10
Cucurbitaceae A: 00251431 Diplocyclos palmatus (Linnaeus) C. Jeffrey Thailand: Loei H. Koyama T-61606
A: 00261596 Neoachmandra wallichii (C. B. Clarke) W. J. de Wilde & Duyfjes Thailand: Chiang Mai Mae Pan waterfall (RS-25), Doi Inthanon H. Koyama T-61152
A: 00261571 Zehneria bodinieri (H. Léveillé) W. J. de Wilde & Duyfjes Thailand: Loei H. Koyama T-61506
A: 00261573 Zehneria bodinieri (H. Léveillé) W. J. de Wilde & Duyfjes Thailand: Loei H. Koyama T-61607
Cyperaceae A: 00914678 Carex hypolytroides Ridley Thailand: Chiang Mai N Prov. Chiang Mai; The east side of the mai... H. Koyama T-61069 1988-7-26
A: 02261303 Cyperus cyperoides (Linnaeus) Kuntze Thailand: Chiang Mai [data not captured] H. Koyama T-61153 1988-7-29
A: 02261304 Cyperus cyperoides (Linnaeus) Kuntze Thailand: Chiang Mai [data not captured] H. Koyama T-61115 1988-8-5
A: 02261305 Cyperus cyperoides (Linnaeus) Kuntze Thailand: Chiang Mai [data not captured] H. Koyama T-61016 1988-7-23
Orchidaceae A: 02017543 Cymbidium dayanum H. G. Reichenbach Thailand: Loei Than Sawan waterfall (RS-13), Phu Kradung H. Koyama T-61486 1988-8-31
A: 02017616 Cymbidium sp. Thailand: Loei Than Sawan waterfall (RS-13); Phu Kradung. H. Koyama T-61486 1988-8-31
A: 02156795 Dendrobium mucronatum Seidenfaden Thailand: Loei near the foothill Guest House (RS-4), Phu Kr... H. Koyama T-61344 1988-8-27
A: 02174283 Otochilus albus Lindley Thailand: Chiang Mai The west side of the main route (RS-21), Doi... H. Koyama T-61064 1988-7-26
A: 02174282 Otochilus albus Lindley Thailand: Chiang Mai The west side of the main route (RS-21), Doi... H. Koyama T-61067 1988-7-26
A: 02174577 Thunia marshalliana Reichenbach f. Thailand: Chiang Mai The west side of Check Point (RS-18), Doi In... H. Koyama T-61076 1988-7-30
Piperaceae A: 01978230 Peperomia heyneana Miquel Thailand: Chiang Mai The east side of the main route (RS-19), Doi... H. Koyama T-61139 1988-7-26
A: 01936450 Piper sp. Thailand: Chiang Mai at the higher elevation of Doi Suthep, Doi P... H. Koyama T-61908 1988-7-14
A: 01936467 Piper sp. Thailand: Chiang Mai The east side of the main route (RS-19), Doi... H. Koyama T-61136 1988-7-26
Rosaceae A: 02558508 Potentilla fragarioides Linnaeus Japan: Nagano Honshu, Nagano-ken: NE part of Jizogahara, j... H. Koyama 7711 1986-6-14