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lower cortex

thallus structure

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lichen

  • panther cap mushroom
    In fungus: Form and function of lichens

    …called upper cortex, medulla, and lower cortex. The upper cortex consists of either a few layers of tightly packed cells or hyphae that may contain pigments. A cuticle may cover the cortex. The lower cortex, which is similar in structure to the upper cortex, participates in the formation of attachment…

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