"Mitchell grass" meaning in English

{
  "etymology_text": "After Scottish explorer Thomas Mitchell (1792-1855), who first collected a specimen near Bourke in New South Wales.",
  "forms": [
    {
      "form": "Mitchell grasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "Mitchell grass (countable and uncountable, plural Mitchell grasses)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of the genus Astrebla of xerophytic Australian grasses."
      ],
      "id": "en-Mitchell_grass-en-noun-mVUyYrud",
      "links": [
        [
          "xerophytic",
          "xerophytic"
        ],
        [
          "Australian",
          "Australian"
        ],
        [
          "grass",
          "grass"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "Mitchell grass"
}

{
  "etymology_text": "After Scottish explorer Thomas Mitchell (1792-1855), who first collected a specimen near Bourke in New South Wales.",
  "forms": [
    {
      "form": "Mitchell grasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "Mitchell grass (countable and uncountable, plural Mitchell grasses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "Entries using missing taxonomic name (genus)"
      ],
      "glosses": [
        "Any of the genus Astrebla of xerophytic Australian grasses."
      ],
      "links": [
        [
          "xerophytic",
          "xerophytic"
        ],
        [
          "Australian",
          "Australian"
        ],
        [
          "grass",
          "grass"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "Mitchell grass"
}