When was Merrifieldia farsi created?

It seems like you're asking about Merrifieldia farsi, but there is no known plant or organism with this exact name. It's possible there might be a typo or a variation in the name.

To help me give you a more accurate answer, could you please clarify:

* Is the name spelled correctly?

* What kind of organism are you referring to? Is it a plant, an animal, a bacteria, etc.?

* Do you have any additional information about it? For example, where did you encounter this name?

Once I have more information, I'll be able to help you find out when it was created.