Rhizine
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In lichens, rhizines are multicellular root-like structures arising mainly from the lower surface. A lichen with rhizines is termed rhizinate, while a lichen lacking rhizines is termed erhizinate. Rhi
Lower cortex of Peltigera praetextata showing rhizines
Foliose lichen
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A foliose lichen is a lichen with flat, leaf-like lobes, which are generally not firmly bonded to the substrate on which it grows. It is one of the three most common growth forms of lichens. It typica
Rhizine
…to identify lichens, for example, whether they are dense or sparse, uniformly distributed or clumped in specific areas, and straight or branched. Only foliose lichens may possess rhizines, not crustose or fruticose lichens, which lack a lower cortex. Rhizohyphae are a type of attachment structure on some lichens…
Flavoparmelia caperata, a species of foliose lichen, on a tree branch