Distribution: Russian Far East (Khabarovsk, Primorye); Turkmenistan; Uzbekistan; Kyrgyzstan; Tajikistan; Afghanistan (Kunar / Nuristan, Nangarhar); China (Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Heilongjiang, Hunan, Jiangxi, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi, Sichuan, Yunnan, Zhejiang); North Korea; South Korea; Japan (Hokkaido, Honshu, Shikoku, Kyushu); Ryukyu Isl.; Bonin Isl. (Keetaajima, Chichijima, Hahajima); Taiwan; Pakistan (Pakistani Punjab); Nepal; Bhutan; India (Assam, Bihar, Himachal Pradesh, Jammu & Kashmir, Madhya Pradesh, Manipur, Punjab, Uttar Pradesh, Uttarakhand, West Bengal); Bangladesh; Vietnam; Philippines (Luzon); Java [I]; New Guinea (Irian Jaya, Papua New Guinea); Hawaii [I] (Oahu [I], Hawaii Isl. [I])
31 RFE 32 KGZ TKM TZK UZB 34 AFG 36 CHI 38 JAP KOR NKO NNS OGA TAI 40 BAN BHU IND NEP PAK 41 VIE 42 jaw NWG PHI 63 haw
Synonyms: hidden
= Anchusa tenella Hornem.; Hort. Bot. Hafn. [Hornemann] 1: 176 (1813)
= Anchusa zeylanica J.Jacq.; Ecl. Pl. Rar. 1: 47, t. 29 (1812)
= Bothriospermum asperugoides Siebold & Zucc.; Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 4(3): 150 (1846)
= Bothriospermum perenne Miq.; Ann. Mus. Bot. Lugduno-Batavi 2: 95 (1866)
= Bothriospermum tenellum (Hornem.) Fisch. & C.A.Mey.; Index Sem. (St. Petersburg [Petropolitanus]) 1: 24 (1835)
= Bothriospermum tenellum var. asperugoides (Siebold & Zucc.) Maxim.; Bull. Acad. Imp. Sci. St.-Pétersbourg 17: 455 (1872)
= Cynoglossum diffusum Roxb.; Hort. Bengal. 13 (1814), nomen, Lehm. Asperifol. 140 (1818), descr.
= Cynoglossum prostratum Buch.-Ham. ex D.Don; Prodr. Fl. Nepal. 100 (1825)
= Myosotis anchusiformis Griff.; Not. Pl. Asiat. 4: 202 (1854)