Irish wildflowers BSBI map

Mare's-tail, Hippuris vulgaris, Colgrach
Photographs: Rinecaha, the Burren, Co. Clare

Mare's-tail
Hippuris vulgaris
Colgrach
Family: Hippuridaceae

Flowering June - July. Aquatic perennial. Native.

Tiny greenish flowers without petals occur at the base of leaves on emergent stems, the male flowers with single reddish anther. Whorls of strap-like leaves on round, spongy stems. Erect emergent stems but trailing when submerged.

Can be locally frequent in base-rich lakes, swamps, upland flushes and slow-moving streams and canals. Most frequent in central Ireland.

Mare's-tail, Hippuris vulgaris, Colgrach

Mare's-tail, Hippuris vulgaris, Colgrach
Mare's-tail, Hippuris vulgaris, Colgrach

Please Contact me if you find mistakes. All images are copyright.