A sixth species of Pictolejeunea (Jungermanniopsida) from the Venezuelan Guyana

Pócs, T. (2007) A sixth species of Pictolejeunea (Jungermanniopsida) from the Venezuelan Guyana. Acta Botanica Hungarica, 49 (1-2). pp. 109-119. ISSN 0236-6495

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Abstract

Pictolejeunea piconii Pócs is described from the Canaima National Park in Venezuelan Guyana. It differs from the previously known five species by its sharply refracted lobe, by the parallelly elongated cells of free lobule margin, by the broad reniform underleaves of 2–3x stem width with rounded lobes and by its perianth with auriculate wings, fimbriately dentate margin and exserted beak.

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