Kobayasia is a genus of fungi in the family Phallaceae. It contains the species Kobayasia nipponica and Kobayasia kunmingica .
It is known as ã·ã©ã¿ãÂÂã¿ã± shiratamatake; "white ball mushroom" in the Japanese language.
The genus name of Kobayasia is in honour of Yosio Kobayasi (1907 - 1993), who was a Japanese botanist (Mycology, Bryology and Algology).
The genus was circumscribed by Sanshi Imai and A. Kawamura in Sci. Rap. Yokohama Natl. Univ., Sect.2, vol.7: on page 5 in 1958.