Equisetum × mackayi
Equisetum × mackayi (Newman) Brichan
Equisetum × mackayi (Newman) Brichan is a hybrid species in the genus Equisetum, part of the Equisetaceae family. It was published in 1842 and is a member of the horsetail family, known for its unique jointed stems and historical significance in plant evolution.
