Allium ursinum umbel of six to 20 white flowers only, lacking the bulbils produced by some other "Allium" species such as "Allium vineale" (crow garlic) and "Allium oleraceum" (field garlic). It flowers in the British Isles from April to June, starting before deciduous trees leaf in the spring. The flower stem is triangular in cross-section and the leaves are broadly lanceolate similar to those of the lily of the valley ("Convallaria majalis"). It is native to temperate regions of Europe, from Britain east to the Caucasus. It is common in much of the lowland British Isles with the exception of the far
White Main Spring between the source of the Main, whose waters reach the North Sea via the Rhine, and the nearby Fichtelnaab Spring, which drains via the Fichtelnaab and Danube into the Black Sea. The White Main Spring is a station on the Spring Way maintained by the Fichtelgebirge Club. The spring is designated by the Bavarian Department of the Environment as Geotope 472Q003. White Main Spring The White Main Spring () is the source of the White Main river, the right-hand and northern headstream of the River Main, a major tributary of the Rhine in Germany. It is located at a height