Rhubarb cultivars have gained the Royal Horticultural Society’s Award of Garden Merit:- "Rhubarb" originally comes from the two Greek words for rhubarb. "Rheon" from the Persian "rewend", later became the Latin word "rheum", meaning rhubarb. The other Greek word is "rha", an ancient name for the Volga River in Russian, where rhubarb was cultivated, having been introduced there from China via the Silk Road. In medieval Latin, "rheon" and "rha" became "rheum barbarum", literally "foreign rhubarb" or "strange rhubarb", and evolved later into "rheubarbarum". Most likely, the English word "rhubarb" entered the language via the French word "rhubarbe" brought over by
Tribulus terrestris are thereby dispersed. This causes damage to domesticated livestock and degrades wool. The Greek word, τρίβολος meaning 'water-chestnut', translated into Latin as "tribulos". The Latin name "tribulus" originally meant the caltrop (a spiky weapon), but in Classical times already the word meant this plant as well. The plant is widely naturalized in the Americas and also in Australia south of its native range. In some states in the United States, it is considered a noxious weed and an invasive species. It is a declared plant in South Australia. It has been reported that the seeds or nutlets have been used