Definition:
The American parsley fern is a type of plant that grows in rocky areas, especially in northern North America. It is called "parsley fern" because its leaves, called fronds, look similar to the leaves of parsley, a common herb used in cooking.
When discussing botany (the study of plants), you might refer to the American parsley fern as Cryptogramma stelleri, which is its scientific name. This name is used in more formal or scientific contexts.
There aren't specific idioms or phrasal verbs related to "American parsley fern," but you might hear phrases like:
The American parsley fern is a unique plant that can be found in northern North America, known for its parsley-like fronds. It is primarily used in discussions about plants and nature.