Indian goosegrass; Eleusine indica
A common annual grass weed found in fields and roadsides. The name is usually written in katakana.
A lot of Indian goosegrass is growing in the garden.
Katakana spelling is common for this plant name; usually written in kana.
Kanji form is rare; the plant is usually written in kana.
The name likely derives from 雄 (o, 'male') and 日芝 (hishiba, a type of grass), but the exact origin is uncertain.