| Family | Eriocaulaceae |
| Scientific name | Eriocaulon robustius (Maximovicz) Makino |
| Synonyms | Eriocaulon alpestre Hooker f. & Thomson ex Körnicke; Eriocaulon alpestre Hooker f. & Thomson ex Körnicke var. robustius Maximowicz; Eriocaulon chinorossicum Komarov; Eriocaulon robustius (Maximovicz) Makino var. nigrum Satake; Eriocaulon robustius (Maximovicz) Makino var. perpusillum (Nakai) Satake |
| Common name | (Japanese common name) hiro-ha-inu-no-hige (ヒロハイヌノヒゲ, 広葉犬ノ髭 [meaning: broad leaved dog's beard]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China, Philippines, Thailand, Nepal, Bhutan, India | |
| Habitat | Swamp, rice paddy |
| Chromosomal number | unknown |
| Description | Leaves 9-20cm long, 5-10mm wide. Scapes 4-25cm tall. Flowers head ca. 4-5mm across, flowering in September to October. Annual plants. |
| Reference | Eriocaulon robustius (Maximowicz) Makino |
| Eriocaulon alpestre J. D. Hooker & Thomson ex Körnicke |
| October 2006 at lowland marsh |
October 2006 at lowland marsh |
October 2006 at lowland marsh |
| October 2006 at lowland marsh |
October 2006 at lowland marsh |
October 2006 at lowland marsh |
| October 2006 at lowland marsh |
October 2006 at lowland marsh |
October 2006 at lowland marsh |