"northern lady fern" meaning in English

{
  "forms": [
    {
      "form": "northern lady ferns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~",
        "head": "northern lady fern"
      },
      "expansion": "northern lady fern (countable and uncountable, plural northern lady ferns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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        },
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          "name": "Pages with entries",
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Ferns",
          "orig": "en:Ferns",
          "parents": [
            "Spore plants",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Athyrium filix-femina, native to the temperate northern hemisphere."
      ],
      "id": "en-northern_lady_fern-en-noun-G7xrqVu9",
      "synonyms": [
        {
          "sense": "Athyrium filix-femina",
          "word": "lady fern"
        },
        {
          "sense": "Athyrium filix-femina",
          "word": "common lady fern"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "northern lady fern"
}

{
  "forms": [
    {
      "form": "northern lady ferns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~",
        "head": "northern lady fern"
      },
      "expansion": "northern lady fern (countable and uncountable, plural northern lady ferns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Entries using missing taxonomic name (species)",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Ferns"
      ],
      "glosses": [
        "Athyrium filix-femina, native to the temperate northern hemisphere."
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "Athyrium filix-femina",
      "word": "lady fern"
    },
    {
      "sense": "Athyrium filix-femina",
      "word": "common lady fern"
    }
  ],
  "word": "northern lady fern"
}