K.  Suetsugu and Ishida, K., ?New locality and fungal association of Thismia abei (Thismiaceae)?, J. Phytogeogr. Taxon., vol. 59, pp. 43 - 45, 2011.

K.  Suetsugu, Hsu, T. - C., Fukunaga, H., and Sawa, S., ?Epitypification, emendation and synonymy of Lecanorchis taiwaniana (Vanilleae, Vanilloideae, Orchidaceae)?, Phytotaxa, vol. 265(2), pp. 157 - 163, 2016.

K.  Suetsugu, Umata, H., and Yokota, M., ?First record of the mycoheterotrophic orchid Gastrodia fontinalis (Orchidaceae) from Takeshima Island, the Ryukyu Islands, Japan?, Taiwania, vol. 59(4), pp. 383 - 386, 2014.

K.  Suetsugu and Yagame, T., ?Color variation in the mycoheterotrophic Yoania japonica (Orchidaceae)?, Acta Phytotax. Geobot., vol. 65(1), pp. 49 - 51, 2014.

K.  Suetsugu, Nakama, M., Watanabe, T., Watanabe, H., Yamamoto, T., and Yokota, M., ?First record of the mycoheterotrophic plant Gastrodia clausa (Orchidaceae) from Okinawa Island, Ryukyu Islands, Japan?, Acta Phytotax. Geobot., vol. 64(3), pp. 155 - 158, 2013.

K.  Suetsugu, Nakama, M., Watanabe, T., Watanabe, H., and Yokota, M., ?The northernmost locality of Gastrodia shimizuana (Orchidaceae)?, J. Jap. Bot., vol. 87(1), pp. 67 - 69, 2012.

K.  Suetsugu, Tsukaya, H., and Ohashi, H., ?Sciaphila yakushimensis (Triuridaceae), a new mycoheterotrophic plant from Yakushima Island, Japan?, J. Jap. Bot., vol. 91, pp. 1 - 6, 2016.

K.  Suetsugu, ?New locality of the mycoheterotrophic orchid Gastrodia fontinalis from Kuroshima Island, Kagoshima Prefecture, Japan?, J. Jap. Bot., vol. 91(6), pp. 358 - 361, 2016.

K.  Suetsugu, ?Range extensions for two mycoheterotrophic orchids, Gastrodia takeshimensis and G. flexistyloides (Orchidaceae), outside their type locality?, Acta Phytotax. Geobot., vol. 68(1), pp. 53 - 57, 2017.

K.  Suetsugu, ?New record of the mycoheterotrophic orchid Lecanorchis kiusiana forma lutea outside the type locality?, J. Phytogeogr. Taxon., vol. 60, pp. 35 - 37, 2012.

K.  Suetsugu and Fukunaga, H., ?Lecanorchis tabugawaensis (Orchidaceae, Vanilloideae), a new mycoheterotrophic plant from Yakushima Island, Japan?, PhytoKeys, vol. 73, pp. 125 - 135, 2016.

K.  Suetsugu, Suleiman, M., Anthony, F., and Tsukaya, H., ?Aphyllorchis maliauensis (Orchidaceae), a new species from the Maliau Basin, Sabah, Borneo?, Phytotaxa, vol. 367(1), pp. 85 - 90, 2018.

K.  Suetsugu, ?A new form of Gastrodia confusa (Orchidaceae)?, J. Phytogeogr. Taxon., vol. 59, pp. 125 - 126, 2012.

K.  Suetsugu, ?Gastrodia flexistyloides (Orchidaceae), a new mycoheterotrophic plant with complete cleistogamy from Japan?, Phytotaxa, vol. 175(5), pp. 270 - 274, 2014.

K.  Suetsugu, ?A new color variant of the mycoheterotrophic orchid Gastrodia fontinalis from Takeshima Island, Japan?, Acta Phytotax. Geobot., vol. 67(1), pp. 55 - 59, 2016.

K.  Suetsugu, ?Gastrodia kuroshimensis (Orchidaceae: Epidendroideae: Gastrodieae), a new mycoheterotrophic and complete cleistogamous plant from Japan?, Phytotaxa, vol. 278(3), pp. 265 - 272, 2016.

K.  Suetsugu, ?Two new species of Gastrodia (Gastrodieae, Epidendroideae, Orchidaceae) from Okinawa Island, Ryukyu Islands, Japan?, Phytotaxa, vol. 302(3), pp. 251 - 258, 2017.

K.  Suetsugu, ?Gastrodia takeshimensis (Orchidaceae), a new mycoheterotrophic species from Japan?, Ann. Bot. Fenn., vol. 50, pp. 375 - 378, 2013.

K.  Suetsugu, ?First record of the mycoheterotrophic orchid Gastrodia uraiensis (Orchidaceae) from Yakushima Island, Japan?, Acta Phytotax. Geobot., vol. 66(3), pp. 193 - 196, 2015.

K.  Suetsugu and Fukunaga, H., ?A new variety of the mycoheterotrophic plant Lecanorchis triloba (Orchidaceae) from Okinawa Island, Ryukyu Islands, Japan?, Acta Phytotax. Geobot., vol. 69(1), pp. 63 - 67, 2018.

K.  Suetsugu, ?A new color variant of the mycoheterotrophic orchid Cyrtosia septentrionalis from Hiroshima Prefecture, Japan?, J. Jap. Bot., vol. 91, pp. 250 - 253, 2016.

K.  Suetsugu, Fukunaga, H., and Sawa, S., ?Epitypification of Gastrodia pubilabiata (Gastrodieae, Epidendroideae, Orchidaceae)?, Phytotaxa, vol. 347(2), pp. 193 - 196, 2018.

K.  Suetsugu, Souladeth, P., Tagane, S., and Yahara, T., ?First Record of the mycoheterotrophic orchid Lecanorchis taiwaniana from Nam Ha National Protected Area, Northern Laos?, Acta Phytotax. Geobot., vol. 69(2), pp. 139 - 141, 2018.

K.  Suetsugu and Nishioka, T., ?Sciaphila sugimotoi (Triuridaceae), a new mycoheterotrophic plant from Ishigaki Island, Japan?, Phytotaxa, vol. 314(2), pp. 279 - 284, 2017.

K.  Suetsugu, Tsukaya, H., Tagane, S., Chhang, P., Yukawa, T., and Yahara, T., ?Flora of Bokor National Park VII: Thismia bokorensis (Burmanniaceae), a new species representing a new generic record?, Phytotaxa, vol. 334(1), pp. 65-69, 2018.

K.  Suetsugu, Tsukaya, H., Tagane, S., Suddee, S., Rueangruea, S., and Yahara, T., ?Thismia brunneomitroides (Thismiaceae), a new mycoheterotrophic species from southern Thailand?, Phytotaxa, vol. 314(1), pp. 103 - 109, 2017.

H.  Tsukaya, Suetsugu, K., and Suleiman, M., ?Thismia bryndonii (Thismiaceae), a new species from Maliau Basin, Sabah, Borneo?, Phytotaxa, vol. 312(1), pp. 135 - 138, 2017.

T.  Nishioka, Suetsugu, K., Repin, R., and Kitayama, K., ?Thismia kinabaluensis (Thismiaceae), a new species from Mt. Kinabalu, Sabah, Borneo?, Phytotaxa, vol. 360(2), pp. 174 - 178, 2018.

K.  Suetsugu, Nakanishi, O., Kobayashi, T., and Kurosaki, N., ?Thismia kobensis (Burmanniaceae), a new and presumably extinct species from Hyogo Prefecture, Japan?, Phytotaxa, vol. 369(2), pp. 121 - 125, 2018.

K.  Suetsugu, ?Seed dispersal in the mycoheterotrophic orchid Yoania japonica: Further evidence for endozoochory by camel crickets?, Plant Biol., vol. 20(4), pp. 707 - 712, 2018.

K.  Suetsugu, Suleiman, M., and Tsukaya, H., ?A new species of Gastrodia (Gastrodieae, Epidendroideae, Orchidaceae) from the Maliau Basin Conservation Area, Sabah, Borneo?, Phytotaxa, vol. 367(1), pp. 78 - 84, 2018.

M.  Cheek, Tsukaya, H., Rudall, P. J., and Suetsugu, K., ?Taxonomic monograph of Oxygyne (Thismiaceae), rare achlorophyllous mycoheterotrophs with strongly disjunct distribution?, PeerJ, vol. 6, p. DOI 10.7717/peerj.4828, 2018.

K.  Suetsugu, Yiing, L. C., Naiki, A., Tagane, S., Takeuchi, Y., Toyama, H., and Yahara, T., ?Lecanorchis sarawakensis (Orchidaceae, Vanilloideae), a new mycoheterotrophic species freom Sarawak, Borneo?, Phytotaxa, vol. 338(1), pp. 135 - 139, 2018.