Source: AGRICOLA database (1970-1996)

Asami, I., O. R. Ito, et al. (1999). Adventitious shoot induction from petiole segments of the sterile plants in Japanese butterbur(Petasites japonicus Fr.Schmidt). Research Bulletin of the Aichi ken Agricultural Research Center. [print] Dec 31: 65-70. {a} Aichi-ken Agricultural Research Center, 1-1 Sagamine Yazako, Nagakute-cho, Aichi-ken, 480-1193, Japan

Yoo, S. O. and J. H. Bae (1999). Breaking dormancy for early production of young leaves in butterbur rootstock (Petasites japonicus Max.). Journal of the Korean Society for Horticultural Science. Oct. 40(5): 545-548. {a} Dept. of Horticulture, Wonkwang Univ., Iksan, 570-749, South Korea

Tori, M., M. Kawahara, et al. (1998). Eremophilane-type sesquiterpenes from fresh rhizomes of Petasites japonicus. Phytochemistry Oxford 47(3): 401-409. {a} Fac. Pharm. Sci., Tokushima Bunri Univ., Yamashiro cho, Tokushima 770, Japan

Kanai, H. (1997). Distribution of popular plants in Chubu District, Central Japan. 2. Vertical distribution. Journal of Japanese Botany 72(3): 172-189. 5-8-7 Maehara-cho, Koganei-shi, Tokyo 184, Japan

Sasakawa, M. (1997). New leaf miner and stem borer of Sciaridae (Diptera). Japanese Journal of Entomology 65(1): 171-176. 7-6-7 Korigaoka, Hirakata City, Osaka Pref. 573, Japan

Tori, M., M. Kawahara, et al. (1997). Novel epoxyeremophilanolides, eremopetasitenins A1, A2, B1, and B2, from Petasites japonicus. Tetrahedron Letters 38(11): 1965-1968. {a} Fac. Pharm. Sci., Tokushima Bunri Univ., Yamashiro Cho, Tokushima 770, Japan

Yaoita, Y. and M. Kikuchi (1997). New phenylpropanoid and new eremophilenolides from rhizomes of Petasites japonicus Maxim. Natural Medicines 51(4): 372-375. {a} Tohoku Coll. Pharm., 4-4-1 Komatsushima, Aoba-ku, Sendai 981, Japan

Kanai, H. (1996). Distribution of popular plants in Chubu district, central Japan. Journal of Japanese Botany 71(6): 338-354. 5-8-7, Maehara-cho, Koganei-shi, Tokyo 184, Japan

Lei, T. T., R. Tabuchi, et al. (1996). Functional relationship between chlorophyll content and leaf reflectance, and light-capturing efficiency of Japanese forest species. Physiologia Plantarum 96(3): 411-418. {a} Biol. Dep., Va. Polytechnic Inst. State Univ., Blacksburg, VA 24061, USA

Tsuyuzaki, S. (1996). Species diversity analyzed by density and cover in an early volcanic succession. Vegetatio 122(2): 151-156. Grad. Sch. Sci. Technol., Niigata Univ., Niigata 950-21, Japan

Yaoita, Y. and M. Kikuchi (1996). Structures of new dinor-eremophilane derivatives and new eremophilenolides and from rhizomes of Petasites japonicus MAXIM. Chemical and Pharmaceutical Bulletin Tokyo 44(9): 1731-1735. {a} Tohoku Coll. Pharmacy, 4-4-1 Komatsushima, Aoba-ku, Sendai 981, Japan

Yaoita, Y. and M. Kikuchi (1996). Seco-eremophilane derivatives from rhizomes of Petasites japonicus. Phytochemistry Oxford 42(3): 751-755. {a} 2nd Dep. Anal. Chem., Tohoku Coll. Pharm., 4-4-1 Komatsushima, Aobaku, Sendai, Miyagi 981, Japan

Yaoita, Y. and M. Kikuchi (1996). New eremophilenolides from the rhizomes of Petasites japonicus Maxim. Natural Medicines 50(1): 49-53. Tohoku Coll. Pharmacy, 4-4-1 Komatsushima, Aoba-ku, Sendai 981, Japan

Ito, T., H. Yamashita, et al. (1995). Aroma constituents of Fuki (Petasites japonicus Maxim.). Journal of the Faculty of Agriculture Iwate University 22(2): 37-40. Fac. Agric., Iwate Univ., Morioka, Japan

Iwamoto, Y. and T. Kagi (1995). Mass-propagation of virus-free plants of Japanese butterbur (Petasites japonicus Fr. Schmidt) by tissue culture. Journal of the Japanese Society for Horticultural Science 64(1): 103-111. Osaka Prefectural Agric. For. Res. Cent., Habikino, Osaka 583, Japan

Yaoita, Y. and M. Kikuchi (1995). Structures of new eremophilane derivatives from the Rhizomes of Petasites japonicus MAXIM. Chemical and Pharmaceutical Bulletin Tokyo 43(10): 1738-1743. {a} Tohoku College Pharmacy, 4-4-1 Komatsushima, Aoba-ku, Sendai 981, Japan

Yaoita, Y. and M. Kikuchi (1994). Petasiphenone, a phenolic compound from rhizomes of Petasites japonicus. Phytochemistry Oxford 37(6): 1773-1774. {a} Dep. Second Analytical Chem., Tohoku College Pharmacy, 4-4-1 Komatsushima, Aoba-ku, Sendai, Miyagi 981, Japan

Yaoita, Y. and M. Kikuchi (1994). Eremopetasidione, a nor-sesquiterpenoids from the rhizomes of Petasites japonicus. Phytochemistry Oxford 37(6): 1765-1766. {a} Dep. Second Analytical Chem., Tohoku College Pharmacy, 4-4-1 Komatsushima, Aoba-ku, Sendai, Miyagi 981, Japan

Yaoita, Y. and M. Kikuchi (1994). Structures of six new eremophilenolides from the Rhizomes of Petasites japonicus MAXIM. Chemical and Pharmaceutical Bulletin Tokyo 42(9): 1944-1947. {a} Tohoku Coll. Pharmacy, 4-4-1 Komatsushima, Aoba-ku, Sendai 981, Japan

Hirono, I. (1993). Edible plants containing naturally occurring carcinogens in Japan. Japanese Journal of Cancer Research 84(10): 997-1006. Dep. Pathol., Fujita Health Univ. Sch. Med., 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-11, Japan

Hou, X. L. (1993). Plantlet regeneration from leaf protoplast cultures of Japanese butterbur. Acta Botanica Sinica 35(8): 649-652. Dep. Horticulture, Nanjing Agricultural University, Nanjing 210014, China

Tsuyuzaki, S. (1993). Recent vegetation and prediction of the successional sere on ski grounds in the highlands of Hokkaido, northern Japan. Biological Conservation 63(3): 255-260. Grad. Sch. Sci. and Technol., Niigata Univ., Niigata 950-21, Japan

Yabe, K., Y. Tsunekawa, et al. (1993). In-vitro preservation of cultured Japanese butterbur (Petasites japonicus Fr. Schmidt) plantlet on MS medium containing reduced nitrogen. Research Bulletin of the Aichi ken Agricultural Research Center(25): 159-163. Aichi-ken Agric. Res. Cent., Nagakute, Aichi 408-11, Japan

Kanai, H., T. Nishikawa, et al. (1992). Distribution of popular plants in north Hokkaido, north Japan. Memoirs of the National Science Museum Tokyo(25): 77-86. {a} Dep. Botany, Natl. Sci. Museum, Tokyo, Japan

Kawanabe, S. and H. Sakai (1992). Analysis and diagnosis of sown pasture vegetation: 3. Classification and succession of the pasture types in the Tohoku University farm. Journal of Japanese Society of Grassland Science 38(2): 219-225. {a} Fac. Animal Environ. Prod., Sch. Vet. Med., Azabu Univ., 1-17-71 Fuchinobe, Sagamihara, Kanagawa 229, Japan

Yaoita, Y., K. Nagata, et al. (1992). Structures of eremophilenolides from the rhizomes of Petasites japonicus Maxim. Chemical and Pharmaceutical Bulletin Tokyo 40(12): 3277-3279. {a} Tohoku Coll. Pharmacy, 4-4-1 Komatsushima, Aoba-ku, Sendai 981, Japan

Ahn, S. B., S. H. Lee, et al. (1990). The insect pest species of the composite herb plants and their damages. Research Reports Of The Rural Development Administration 32(3 Crop Prot): 26-31.

Kanai, H. (1990). Distribution of popular plants in Yamanashi Prefecture, central Japan. Bulletin Of The National Science Museum Series B 16(3): 117-133.

Nishio, T., Y. Sakata, et al. (1989). Protoplast culture in vegetable crops: Development and improvement of culture procedure. Bulletin Of The National Research Institute Of Vegetables Ornamental Plants And Tea Series A(3): 67-96.

Ham, S. S. (1988). Desmutagenic activity of heated mountain herb juices. Journal Of The Korean Agricultural Chemical Society 31(1): 38-45.

Kanai, H. (1987). Distribution of popular plants in Aomori Prefecture, north Japan. Memoirs Of The National Science Museum(20): 103-114.

Lee, M. H., D. S. Chung, et al. (1987). Influence of shading and gibberellin treatments on the growth and yield in butterbur (Petasites japonicus Max). Research Reports Of The Rural Development Administration 29(1 Horticulture): 65-73.

Maeda, T. and N. Inouye (1987). Differentiation of two serotypes of cucumber mosaic virus in Japan by F(ab')-2 ELISA with cross-absorbed antibodies. Berichte Des Ohara Instituts Fuer Landwirtschaftliche Biologie Okayama Universitaet 19(3): 149-158.

Tsuyuzaki, S. (1987). Origin of plants recovering on the volcano Usu, northern Japan, since the eruptions of 1977 and 1978. Vegetatio 73(1): 53-58.

Harada, Y. (1986). Four new species of heteroecious Puccinia (Uredinales) on Carex from Japan. Transactions Of The Mycological Society Of Japan 27(4): 357-370.

Yabe, K., T. Nishio, et al. (1986). Plant regeneration from mesophyll protoplasts of Japanese butterbur (Petasites japonicus). Japanese Journal Of Breeding 36(2): 131-137.

Hiroo, K. (1984). Distribution of some popular plants in Akita Prefecture, northern Japan. Memoirs Of The National Science Museum(17): 69-76.

Hongo, A. and S. Sawada (1984). Secondary succession on slope vegetation established by native plants. Research Bulletin Of Obihiro University Series I 14(1): 103-110.

Kanai, H. (1984). The distribution patterns of Japanese plants: 5. Accumulation of phytogeographical data of popular plants, points and measures. Journal Of Japanese Botany 59(9): 257-270.

Liu, H. J. and T. K. Ngooi (1984). The total synthesis of racemic-petasitolone. Canadian Journal Of Chemistry 62(12): 2676-2681.

Mori, H., K. Kawai, et al. (1984). Some toxic properties of a carcinogenic pyrrolizidine alkaloid, petasitenine. Journal Of Toxicological Sciences 9(2): 143-150.

Nakano, T. and T. Nyui (1984). Heavy metals distribution in major rivers basins in Akita Prefecture (Japan). Bulletin Of The Akita Prefectural College Of Agriculture(10): 51-62.

Sugama, K., K. Hayashi, et al. (1531). Eremophilenolides from Petasites japonicus. Phytochemistry 24(7): 1531-1536.

Tsuyuzaki, S. (1468). Analysis of revegetation dynamics on the volcano Usu, northern Japan, deforested by 1977-1978 eruptions. American Journal Of Botany 76(10): 1468-1477.

Nadamitsu, S., M. Segawa, et al. (1179). Effects of four chemicals isolated from Picrasma quassioides and Petasites japonicus on P-388 lymphocytic leukemia cells in vitro. Kromosomo 2(38): 1179-1188.