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I'm trying to find a list of plants that are unique to Catalina Island. In particular one species of vine that exists on the mainland as a regular vine.

However, when exposed to the nature of Catalina island, this vine has adapted and become "a tree". I remember seeing this tree, and the descriptive explanation following it, but can't identify the species.

Does anyone know where I can find a list of plants, unique to Catalina island (or perhaps other regions of interest)?

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    The Catalina Conservancy has a list of plant species that are found on the island, but it's not sorted into types of plants. – mkennedy Nov 26 '17 at 20:04
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    @mkennedy has given you the correct web site and, if you drill down, it lists the seven endemic species of flora – Giorgio Nov 27 '17 at 14:08
  • @Dorothy if it's true that the plant was introduced to the island than it's not endemic, unfortunately. – mkennedy Nov 27 '17 at 14:33
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    Seems better suited to Biology.SE or Gardening.SE – gmauch Aug 3 '18 at 17:37
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    I'm voting to close this question as off-topic because is about ecology, not travel. – David Richerby Aug 3 '18 at 22:36
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As Catalina Island is in fact known to have six unique plants and there is a place of interest, namely Wrigley Memorial & Botanical Gardens, I find the question fits to travel.

The unique species are:

  • Catalina manzanita (Arctostaphylos catalinae)
  • Catalina mahogany (Cercocarpus traskiae)
  • Catalina dudleya (Dudleya hassei)
  • St. Catherine's lace (Eriogonum giganteum var. giganteum)
  • Santa Catalina bedstraw (Galium catalinense ssp. catalinense)
  • Santa Catalina Island ironwood (Lyonothamnus floribundus ssp. floribundus).

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