Cirsium that color hills and fields in Japanese Autumn have been familiar with by Japanese people since long ago. As many as 150
different kinds occur in Japan, but what I have seen is no more than one-tenth of it. Anyway, a few of them are very rare.

Cirsium bitchuense / Bicchuuazami	Cirsium buergeri / Himeazami	Cirsium chokaiense / Choushuuazami	Cirsium congestissimum / Hittsukiazami
Cirsium indefensum / Togenashiazami	Cirsium indefensum./ Izumoazami	Cirsium japonica var. vestitum / Keshouazami	Cirsium japonicum / Noazami
Cirsium japonicum f. albiflorum / Shirobananoazami	Cirsium japonicum var. okiense / Okinoazami	Cirsium maruyamanum / Murakumoazami	Cirsium mirabile / Obakeazami
Cirsium nippoicum var. amplifolium / Oobaazami	Cirsium nippoicum var. yoshinoi / Yoshinoazami	Cirsium sieboldii / Kiseruazami	Cirsium sp. / Unknown
Cirsium spicatum / Yamaazami	Cirsium suffultum / Tsukushiazami	Cirsium suwoense / Suouazami	Cirsium taishakuense / Taishakuazami
Cirsium tenuisquamatum / Sanbesawaazami
Some species in allied genera
Carduus crispus / Hireazami	Carduus crispu f. alba / Shirobanahireazami	Saussurea gracilis / Hokuchiazami	Hemistepta lyrata / Kitsuneazami
Saussurea maximowiczii / Miyakoazami	Saussurea nipponica / Oodaitouhiren