Farfugium japonicum (L.) Kitam., Acta Phytotax. Geobot. 8: 268 (1939) (syn: Arnica tussilaginea Burm. fil.; Farfugium grande Lindl.; Farfugium japonicum f. aligulatum Konta; Farfugium japonicum var. formosanum (Hayata) Kitam.; Farfugium japonicum var. nokozanense (Yamamoto) Kitam.; Farfugium kaempferi (Sieb. & Zucc.) Benth.; Farfugium tussilagineum (Burm. fil.) Kitam.; Farfugium tussilagineum var. formosanum (Hayata) Kitam.; Ligularia farfugium C. Koch;Ligularia formosana (Hayata) Masam.; Ligularia kaempferi Sieb. & Zucc.; Ligularia nokozanensis Yamam.; Ligularia tussilaginea (Burm. fil.) Makino; Ligularia tussilaginea var. formosana Hayata; Senecio farfugium C. Koch; Senecio japonicus Less.; Senecio kaempferi (Sieb. & Zucc.) DC.; Senecio sieboldii Sch. Bip.; Senecio tussilagineus (Burm. fil.) Kuntze; Tussilago japonica L.);     

China (?Anhui, Fujian, Guangdong, Guangxi, Hubei, Hunan, ?Jiangsu, Zhejiang),
Taiwan, Japan (Honshu, Shikoku, Kyushu), South Korea, Ryukyu Isl., Bonin Isl.
(Ogasawara Isl.), Canary Isl. (I) (Gran Canaria (I)), India (I), Sicily (I),
Madeira (I)
as per Catalogue of Life;

Yellow flowers seen growing in the garden. 

Couldn’t check the leaves.
Some other plant was growing below it.



Guess I have found the id.

Had mistaken the leaves below to be another plant.
They belong to the same plant.
Farfugium japonicum ‘Jitsuko’s Star’ or Farfugium japonicum ‘Yaezaki’.
Common name Double-Flowered Leopard Plant.
Adding pictures of the leaves.
Attachments (2)

guess you are right. once planted becomes weedy growth usually