The Cutleaf Spleenwort
was found growing 6 m below the surface entrance to the vertical cave, with light levels becoming greatly diminished below the fern habitat (approximately 8 m from the surface).
Some ferns are really tiny with delicate fronds, like the maidenhair fern (Adiantum capillus-veneris) and the maidenhair spleenwort
Talk of wild onions, meadow foxtail, scarlet pimpernel, wood anemone and maidenhair spleenwort
may not sway the suits who will ultimately decide the site's fate.
This fern was originally described by Andre Michaux in 1803 as a spleenwort
because of its linear son.
Ferns are ideal and the graceful little asplenium ferns like wall rue (A ruta-muraria), the lovely maidenhair spleenwort
(A trichomanes) and the hart's tongue fern (A scolopendrium) are perfect.
Ferns thrive in the humid atmosphere of this narrow valley, with 20 recorded, including green spleenwort
, brittle bladder fern, hay-scented buckler fern and Wilson's filmy fern.
1) Asplenium xgravesii Maxon, Grave's Spleenwort
, is an infertile hybrid between A.
Monmouthshire - maidenhair spleenwort
, spreading bellflower, upright spurge, mistletoe;
Such examples include white pine (Pinus strobus--SR), Canada blueberry (Vaccinium myrtilloides--SE), wintergreen (Gaultheria procumbens), rock spikemoss (Selaginella rupestris--ST), pinnatifid spleenwort
(Asplenium pinnatifidum), hay-scented fern (Dennstaedtia punctilobula), northern bush-honeysuckle (Diervilla lonicera--SR), and Forbes' saxifrage (Saxifraga forbesii Vasey--SE).
Vascular Organization in the Rhizome of Spleenworts