Polypodium glycyrrhiza Polypodium glycyrrhiza Polypodium glycyrrhiza, commonly known as licorice fern, many-footed fern, and sweet root, is a summer deciduous fern native to western North America, primarily in a narrow strip in southern Alaska, southwestern Yukon Territory, western British Columbia, Washington, Oregon, and California, though two highly disjunct populations are known from Idaho and Arizona. It thrives in a humid climate, prevailing in areas with cool and moist summers and warm and wet winters. "P. glycyrrhiza" can often be found growing on the trunks and branches of winter deciduous trees, particularly bigleaf maple, but is also often found on rocks, logs, and
Ulmus 'Fastigiata Glabra' the Wentworth Elm); the current list of Living Accessions held in the Garden "per se" does not list the plant. A largish-leaved glabrous elm on The Mound, Edinburgh (2016) matches the 1958 RBGE herbarium leaf-specimen of "U. montana fastigiata glabra" (see External links below) and may be an example of the cultivar. None known. Ulmus 'Fastigiata Glabra' The elm cultivar Ulmus 'Fastigiata Glabra' was distributed by the Späth nursery, Berlin, in the 1890s and early 1900s as "U. montana fastigiata glabra". Späth used "U. montana" both for wych elm and for "U." × "hollandica" hybrids like 'Dampieri', so the name