Algard Wicca is a tradition, or denomination

Religious denomination

A religious denomination is a subgroup within a religion that operates under a common name, tradition, and identity.The term describes various Christian denominations...

, in the Neo-Pagan religion of Wicca

Wicca

Wicca , is a modern Pagan religious movement. Developing in England in the first half of the 20th century, Wicca was popularised in the 1950s and early 1960s by a Wiccan High Priest named Gerald Gardner, who at the time called it the "witch cult" and "witchcraft," and its adherents "the Wica."...

. It was founded in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 in 1972 by Mary Nesnick, a High Priestess in both Gardnerian

Gardnerian Wicca

Gardnerian Wicca, or Gardnerian Witchcraft, is a mystery cult tradition or denomination in the neopagan religion of Wicca, whose members can trace initiatory descent from Gerald Gardner. The tradition is itself named after Gardner , a British civil servant and scholar of magic...

 and Alexandrian Wicca

Alexandrian Wicca

Alexandrian Wicca is a tradition of the Neopagan religion of Wicca, founded by Alex Sanders who, with his wife Maxine Sanders, established the tradition in the United Kingdom in the 1960s...

, in an attempt to fuse the two traditions. Because of this fusion, it is categorised under the heading of British Traditional Wicca

British Traditional Wicca

British Traditional Wicca is a term used to describe some Wiccan traditions which have their origins in the New Forest region of England...

, with its initiates being able to trace their lineage back to Gerald Gardner

Gerald Gardner

Gerald Brousseau Gardner , who sometimes used the craft name Scire, was an influential English Wiccan, as well as an amateur anthropologist and archaeologist, writer, weaponry expert and occultist. He was instrumental in bringing the Neopagan religion of Wicca to public attention in Britain and...

, the founder of modern day Wicca.