Vinícius Antonio de Oliveira Dittrich

Neoblechnum is a genus of ferns in the family Blechnaceae, subfamily Blechnoideae, with a single species Neoblechnum brasiliense, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I). The genus is accepted in a 2016 classification of the family Blechnaceae, but other sources sink it into a very broadly defined Blechnum, equivalent to the whole of the PPG I subfamily; the species is then known as Blechnum brasiliense. It is called Brazilian dwarf tree fern, red Brazilian tree fern, and red dwarf tree fern.

Cranfillia is a genus of ferns in the family Blechnaceae, subfamily Blechnoideae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I). The genus is accepted in a 2016 classification of the family Blechnaceae, but other sources sink it into a very broadly defined Blechnum, equivalent to the whole of the PPG I subfamily.

Austroblechnum is a genus of ferns in the family Blechnaceae, subfamily Blechnoideae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I). The genus is accepted in a 2016 classification of the family Blechnaceae, but other sources sink it into a very broadly defined Blechnum, equivalent to the whole of the PPG I subfamily.

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Austroblechnum patersonii, synonym Blechnum patersonii, is a fern in the family Blechnaceae. It is known as the strap water-fern. It is native to eastern Australia (Queensland, New South Wales, Victoria and Tasmania), Lord Howe Island, New Zealand and the Society Islands (Tahiti).

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Lomaridium contiguum, synonym Blechnum contiguum, is a fern in the family Blechnaceae. The specific epithet refers to the contiguous lobes of the fronds.

Cranfillia fullagari, synonym Blechnum fullagarii, is a fern in the family Blechnaceae. The specific epithet honours James Fullagar, who collected plants on Lord Howe Island for the Royal Botanic Gardens, Melbourne.

Cranfillia fluviatilis, synonym Blechnum fluviatile, is a fern known in the Māori language as kiwikiwi. A herbaceous plant, C. fluviatilis is a "hard fern" of the genus Cranfillia in the family Blechnaceae. It was identified by Patrick Brownsey in 1979. Other common names are star fern, creek fern, kawakawa and kiwakiwa.

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Austroblechnum leyboldtianum, synonym Blechnum blechnoides, known as iquide in Chilean Spanish, is a fern species endemic to Chile. It has a distribution range from Concepción to Aisén in Chile. It grows up to altitudes of 1,000 metres (3,300 ft).

Austroblechnum divergens, synonyms including Blechnum divergens, Blechnum rimbachii and Blechnum floresii, is a species of fern in the family Blechnaceae. Austroblechnum divergens in its broader circumscription is native from Mexico to southern Brazil. Some sources treat the taxon known by the synonym Blechnum rimbachii as a distinct species; if so, it is endemic to Azuay Province, Ecuador (found 2,000 m above sea level), and is only known from an early 20th century collection. Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss for

Austroblechnum colensoi, synonym Blechnum colensoi, also known as Colenso's hard fern, waterfall fern or peretao is a species of fern native to New Zealand. It is distributed throughout the North, South and Stewart Islands. Austroblechnum colensoi is usually found in dark areas with good access to water, such as steep banks, river gorges and rocky overhangs.

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