Araceae A: 01654729 Arisaema japonicum Blume Japan: Mikawa: Village de Tsukuté T. M. Koyama 1955-5-27
A: 01654748 Arisaema monophyllum Nakai Japan: Tochigi Ozaku, near Otaki waterfall T. M. Koyama 6825 1956-5-15
A: 01654780 Arisaema nikoense Nakai Japan: Nagano above Inago Hot Spring, foot of Mt. Yatsugat... T. M. Koyama 8060 bis. 1959-6-4
A: 01654781 Arisaema nikoense Nakai Japan: Nagano above Inago Hot Spring, foot of Mt. Yatsugat... T. M. Koyama 8060 1959-6-4
A: 01654788 Arisaema ovale Nakai Japan: Shimotsuke: Ozaku, between Kasozan shrine to... T. M. Koyama 6860 1956-5-15
A: 01654794 Arisaema peninsulae Nakai Japan: Shizuoka Umegashima Hotsprings T. M. Koyama 6986 1955-5-19
A: 01654858 Arisaema serratum (Thunberg) Schott Japan: Nagano Karuizawa, 1.5 km south of town T. M. Koyama 8079 1959-6-7
A: 01654871 Arisaema serratum (Thunberg) Schott Japan: Hondo: Urawa in Musashi T. M. Koyama 525 1952-5
A: 01654874 Arisaema serratum (Thunberg) Schott Japan: Hondo: Urawa in Musashi T. M. Koyama 525 1952-5
A: 01629400 Pinellia ternata (Thunberg) Makino ex Breitenbach Japan: Nagano Karuizawa, about 1.5 km south of township T. M. Koyama 8075 1959-6-7
Asteraceae A: 01238039 Artemisia lavandulifolia de Candolle Japan: Saitama Sashiogi, river Arakawa T. M. Koyama 518 1948-10-17
A: 01238163 Artemisia montana Pampanini Japan: Nagano Togakushi Plateau, Mt. Iidzuna T. M. Koyama 8089 1958-8-7
A: 00219649 Pertya glabrescens Schultz Bipontinus Japan: Tochigi Mt. Teruishi T. M. Koyama 1949-10-1
Cucurbitaceae GH: 00251070 Actinostemma tenerum Griffith Japan: Kagoshima Kumatori T. M. Koyama 1953-10
Cyperaceae GH: 02263114 Carex rara Boott Sri Lanka: [data not captured] T. M. Koyama 13517 1968-3-28
A: 02263065 Cyperus platystylis R. Brown Sri Lanka: Amparai Lahugala Tank. T. M. Koyama 14030 1971-2-9
GH: 02263083 Cyperus pulcherrimus Willdenow ex Kunth Sri Lanka: North Central District: ca. 8 miles east of ... T. M. Koyama 13567 1968-5-7
GH: 00219997 Eleocharis R. Brown Sri Lanka: Amparai District: Tandiadi Kalapu lagoon, S ... T. M. Koyama 14014 1971-2-7
GH: 00219997 Eleocharis spiralis (Rottbøll) R. Brown Sri Lanka: Amparai District: Tandiadi Kalapu lagoon, S ... T. M. Koyama 14014 1971-2-7
GH: 00219996 Eleocharis spiralis (Rottbøll) R. Brown Sri Lanka: Eastern Province, Koddiar Pattu District: no... T. M. Koyama 14060 1971-2-20
GH: 02315803 Fuirena uncinata (Willdenow) Kunth Sri Lanka: Jaffna [data not captured] T. M. Koyama 14053 1971-2-19
Droseraceae A: 01973129 Drosera anglica Hudson Japan: Chiba Honshu: Pref. Chiba, south of Yawata in Ichi... T. M. Koyama 3438 1961-9-16
A: 01973174 Drosera obovata F. K. Mertens ex W. D. J. Koch Japan: Fukushima Ozenuma, Shirasuna moor. T. M. Koyama 1949-8-4
A: 01973197 Drosera peltata lunata (Buchanan-Hamilton) C. B. Clarke Japan: Chiba Between Mobara and Yatsumi. Alt. sea level. T. M. Koyama 4511 1952-7-18
Gentianaceae GH: 01246573 Gentiana scabra buergeri (Miquel) Maximowicz ex Franch. & Sav. Japan: Chiba Hondo: Mobara in Shimosa T. M. Koyama 1953-11-3
Lamiaceae A: 00219566 Chelonopsis moschata Miquel Japan: Nagano Honshu, Central District: Togakushi Plateau,... T. M. Koyama 8083 1958-8-6
Orchidaceae A: 01941912 Cephalanthera erecta (Thunberg) Blume Japan: Saitama Urawa, Segasaki T. M. Koyama 1952-5-19
A: 01952290 Cypripedium japonicum Thunberg Japan: Pref. Saitama: Urawa, Segasaki. T. M. Koyama 5217 1952-5-5
A: 01941467 Epipactis thunbergii A. Gray Japan: Gumma Kwanto District: West Kuro-dani Valley agout... T. M. Koyama 1021 1951-8-25
A: 02091468 Goodyera schlechtendaliana H. G. Reichenbach Japan: Pref. Chiba: Mt. Kiyozumi. T. M. Koyama 1951-8
A: 01948908 Pecteilis radiata (Thunberg) Rafinesque Japan: Honshu: Prov. Mikawa, between Futagawa and I... T. M. Koyama 6127 1956-9-28
A: 01948412 Platanthera tipuloides (Linnaeus) Lindley Japan: Honshu, Central District: Pref. Nagano, Toga... T. M. Koyama 6097 1958-8-7
A: 01948415 Platanthera tipuloides (Linnaeus) Lindley Japan: Honshu: Pref. Nagano, Togakushi Plateau, Mt.... T. M. Koyama 8087 1956-8-3
A: 01948417 Platanthera tipuloides (Linnaeus) Lindley Japan: Honshu: Pref. Nagano, Togakushi Plateau, Mt.... T. M. Koyama 6501-b 1956-8-3
A: 02158242 Pogonia japonica H. G. Reichenbach Japan: Toyama Midagahara Highlands, Tateyama Mts. T. M. Koyama 1952-7-20
Ranunculaceae A: 01086609 Ranunculus silerifolius H. Léveillé Japan: Kagoshima 1.6 km SW of Kaseda T. M. Koyama 9903 1957-5-8
Rosaceae A: 01109766 Fragaria nipponica Makino Japan: Nagano above Inago Hot Spring, foot of Mt. Yatsugat... T. M. Koyama 8072 1959-6-4
