EditorialOphiostoma sphaerocephalum, Print, Ophiostoma is a genus of fungi within the family Ophiostomataceae. It was circumscribed in 1919 by mycologists Hans Sydow and Paul Sydow.
EditorialRound-headed leek or ball-head onion, Allium sphaerocephalum. Handcoloured lithograph from Diederich von Schlechtendal's German Flora (Flora von Deutschland), Jena, 1871.