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Dryopteris crinalis is a species of fern known as the serpent woodfern. ... The fern grows on walls of basalt in wet forests. [2] Fronds grow up to 3 ft (0.91 m) long ...
It has been observed that dehydrins may allow the cell walls of the fern fronds and leaves to deform and reform in times of extreme drought followed by water exposure, due to large fluctuations in water content. Dehydrins were found to be expressed only when the fern was drying or in the desiccated state, with the dehydrins located on the ...
The fern crown group, consisting of the leptosporangiates and eusporangiates, is estimated to have originated in the late Silurian period 423.2 million years ago, [4] but Polypodiales, the group that makes up 80% of living fern diversity, did not appear and diversify until the Cretaceous, contemporaneous with the rise of flowering plants that ...
Asplenium ceterach is associated with fissure habitat in carbonate rocks and also grows on the mortar of stone and brick walls. The species can be found growing up to 2,700 m (8,900 ft) above the sea level, although it prefers mountainous locations, where it is usually found growing on rocky walls and slopes in full sun.
Polypodium vulgare, the common polypody, is a fern developing isolated fronds along a horizontal rhizome. The fronds, with triangular leaflets, measure 10 to 50 centimetres (3.9 to 19.7 in). They are divided all the way back to the central stem in 10 to 18 pairs of segments or leaflets. The leaflets become much shorter at the end of the frond.
Gleichenia alpina, commonly known as alpine coral-fern, is a small fern species that occurs in Tasmania and New Zealand. [2] It grows in alpine and subalpine areas with moist soils and is a part of the Gleichrniaceae family. [3] The species was first formally described by botanist Robert Brown in 1810. [4]
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