Public domain
Illustrated Atlas of Japanese Gramineae and Cyperaceae, Volume 1, Issues 1-4, 6-9
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Credit line日本禾本莎草植物圖譜 第1巻 第1-4,6-9集. 1901.2-1902.4. 牧野, 富太郎, 1862-1957. National Diet Library, Japan. Public domain.