Does Tillandsia or Polystichum have more species?
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Tillandsia Tillandsia is a genus of around 650 species of evergreen, perennial flowering plants in the family Bromeliaceae, native to the forests, mountains and deserts of Central and South America, the southern United States and the West Indies. They have naturally been established in diverse environments such as equatorial tropical rain forests, high elevation Andes mountains, rock dwelling (saxicolous) regions, and Louisiana swamps, such as Spanish Moss ("T. usneoides"), a species that grows atop tree limbs. Airplant is a common name for plants in this genus. Most "Tillandsia" species are epiphytes – i.e. they normally grow without soil while attached to other plants. Some are aerophytes or "air plants", which have no roots and grow on shifting desert soil. Generally, the thinner-leafed varieties grow in rainy areas and the thick-leafed varieties in areas more subject to drought. Most species absorb moisture and nutrients through the leaves from rain, dew, dust, decaying leaves and insect matter, aided by structures called trichomes.
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Polystichum Polystichum is a genus of about 260 species of ferns with a cosmopolitan distribution. The highest diversity is in eastern Asia, with about 120 species in China alone; the region from Mexico to Brazil has nearly 100 additional species; Africa (17 species), North America (15 species), and Europe (5 species) have much lower diversity. Polystichum species are terrestrial or rock-dwelling ferns of warm-temperate and montane-tropical regions (a few species grow in alpine regions).
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Tillandsia geminiflora Tillandsia geminiflora is a species in the genus "Tillandsia". This species is native to Brazil, Suriname, Paraguay, Uruguay, and the Misiones Province of Argentina.
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Tillandsia streptophylla Tillandsia streptophylla is a species in the genus "Tillandsia". This species is native to Central America, Mexico, and the West Indies (Bahamas, Cuba, Cayman Islands, Turks & Caicos Islands).
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Polystichum aculeatum Polystichum aculeatum, the hard shield-fern, is an evergreen fern native to Europe. It is most abundant in upland regions of the British Isles and western France, where it benefits from the combination of mild winters and moist summers, but also occurs more locally across most of Europe except northern Scandinavia, northern Russia; in the Mediterranean region it is confined to high altitudes. It grows on steep slopes in woodlands.
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Polystichum lemmonii Polystichum lemmonii is a species of fern known by the common names Lemmon's holly fern and Shasta fern. It is native to western North America from the Sierra Nevada of California north to Washington. It is also known from British Columbia, where there is a single occurrence in the mountains above the Okanagan Valley.
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Tillandsia cretacea Tillandsia cretacea is a species in the genus "Tillandsia". This species is endemic to Mexico.
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Tillandsia 'Discovery' 'Discovery' is a hybrid cultivar of the genus "Tillandsia" in the Bromeliad family.
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Tillandsia 'Tina' 'Tina' is a hybrid cultivar of the genus "Tillandsia" in the Bromeliad family.
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Tillandsia 'Pomona' 'Pomona' is a hybrid cultivar of the genus "Tillandsia" in the Bromeliad family.
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Tillandsia koehresiana Tillandsia koehresiana is a species in the genus "Tillandsia". This species is endemic to Bolivia.
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Tillandsia mixtecorum Tillandsia mixtecorum is a species in the genus "Tillandsia". This species is endemic to Mexico.
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Tillandsia bermejoensis Tillandsia bermejoensis is a species in the genus "Tillandsia". This species is endemic to Bolivia.
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Tillandsioideae Tillandsioideae is a subfamily of plants in the bromeliad family Bromeliaceae. This group contains the fewest genera (9) but the greatest number of species (1,277). Most are epiphytic or lithophytic, growing in trees or on rocks where they absorb water and nutrients from the air. Spanish moss of the "Tillandsia" genus is a well-known variety. Bromeliads in the genera "Guzmania" and "Vriesia" are the more commonly cultivated members of this subfamily.
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Polytrichum Polytrichum is a genus of mosses — commonly called haircap moss or hair moss — which contains approximately 70 species that cover a cosmopolitan distribution. (Less common vernacular names include bird wheat and pigeon wheat.)
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Tillandsia 'Gunalda' 'Gunalda' is a hybrid cultivar of the genus "Tillandsia" in the Bromeliad family.
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Tillandsia roseoscapa Tillandsia roseoscapa is a species in the genus "Tillandsia". This species is endemic to Mexico.
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Tillandsia 'Little Star' 'Little Star' is a hybrid cultivar of the genus "Tillandsia" in the Bromeliad family.
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Tillandsia lampropoda Tillandsia lampropoda is a species in the genus "Tillandsia". This species is native to Central America and southern Mexico, from Oaxaca to Panama.
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Tillandsia funebris Tillandsia funebris is a species in the genus "Tillandsia". This species is native to Bolivia.
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Tillandsia subg. Allardtia Tillandsia" subg. "Allardtia is a subgenus of the genus "Tillandsia".
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Tillandsia 'Pixie' 'Pixie' is a hybrid cultivar of the genus "Tillandsia" in the Bromeliad family.