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Plant IdentificationCommon name: dirty dora, rice sedge, variable flatsedgeBotanical Name: Cyperus difformisFamily name: CyperaceaeLocation: Windsor, NSWDate: 11th April 2009Collector: John PoulakisHabitat: A native of Asia this annual plant is widespread throughout Australia and most common in the southern irrigation areas. May grow and flower year round and is present through much of the cotton growing areas. A prolific seed producer.Economic significance: Is a major weed in rice production and categorised as a pest in irrigation structures.
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Glen Davis, New South Wales, Australia
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Oahu sedgeCyperaceae (Sedge family)Endemic to the Hawaiian IslandsOahu (Cultivated)EtymologyThe generic name Carex is the classical Latin name for sedge, pehaps from carere, to be absent, as the upper spikes are staminate (male) and do not produce seeds.The specific epithet wahuensis is an old spelling variation referring to the island of Oahu.
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Pallanza, Piedmont, Italy
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A mountain species, native from western Venezuela to Peru. Photo from Cerro Kennedy of Colombia's Santa Marta Range.
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Estepa sur de Zaragoza: Aragn (Espaa)Familia: POACEAE (GRAMINEAE)Distribucin: Cuenca mediterrnea; en Europa se distribuye por Espaa, Italia y las islas mediterrneas; en la Pennsula Ibrica se encuentra en las tierras secas y no muy lavadas del E; en Aragn aparece principalmente en el Valle del Ebro y, puntualmente, en zonas secas de montaa.Comentarios sobre proteccin y conservacin: Los albardinales, o espartales, se deberan gestionar correctamente, ya que representan un entorno singular, raro en el conjunto de Europa occidental y de un gran inters cientfico. Hbitat: Suelos arcillosos y yesosos en zonas de clima rido, donde forma comunidades grandes, junto con Stipa sp., caractersticas de la estepa.Preferencia edfica: Basfila. Tolera pequeas concentraciones de sales, pero evita las vaguadas muy salinas.Suele colonizar los fondos de los valles, entre cerro y cerro, donde se acumula el suelo de matriz fina.Rango altitudinal: 120- 500 ( 1000 ) mFloracin: Marzo - Mayo ( Junio )Forma Biolgica: Camfito reptanteExtractado del Atlas de la Flora de Aragn (Herbario de Jaca)
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This is a male flower belonging the the Anarthria genus of the Anarthriaceae family growing in sandy and peaty soils. It is a clumping plant and tend to only flower after a fire or disturbance. . The wide flower sheath falls on flowering. This is the male flower which releases the pollen. Anarthria (without joints) laevis (smooth)Photo: Fred
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Pernambuco, Brazil
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Mayaca fluviatilis - MAYACACEAE Parque Nacional Grande Serto Veredas - Chapada Gacha - Minas Gerais - Brasil.
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Orinda, California, United States
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One of the fan palms referred to as Palma de Escoba, used to make brooms. Native to Panama, where it is known as Nupa and to Colombia where it is called Barbarasco. Photo from the San Blas Mountains, northeastern Panama.In context at
www.dixpix.ca/meso_america/Flora/palms/index.html
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Sept. 27, 2012, Silver Lake, Brighton, Utah, approx. 8,720 ft. elev.The lush plant growth in these calm, shallow lake waters consists of a number of things but here primarily is Carex utriculata (Northwest Territory Sedge, and Beaded - not Beaked - sedge are some of its common names). C. utriculata has historically been treated by some authors within C. rostrata (Beaked sedge) but these are now somewhat more recently considered to be separate species and following those treatments, C. rostratra does not occur in Utah.
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Rotterdam, South Holland, Netherlands
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Charcos, Puntarenas, Costa Rica
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Magisterial, Quintana Roo, Mexico
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Puya coerulea var. coeruleasilver puya. In Chile, its home, silver puya grows in low valleys away from the immediate coast in a climate similar to that of California. Extremely drought-tolerant. The plant photographed grows in a private garden in Berkeley, CA.
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Hilo ischaemumPoaceae (Gramineae)Endemic to the Hawaiian islands (Kauai, Oahu, Molokai, Maui, Hawaii Island)NatureServe: ImperiledOahu (Cultivated)Ripe seed head
www.flickr.com/photos/dweickhoff/4839118909/in/photostream/EtymologyThe generic name Ischaemum is derived from the Greek ischiamos, to quench blood flow, with unknown application.The specific epithet byrone was named after Byron's Bay, now Hilo Bay, on the island of Hawaii. Byron's Bay was named for Captain George Anson Byron (1789-1868), a British naval officer, and the seventh Baron Byron, cousin of the poet George Gordon Byron. Admiral Byron came to the islands on the H. M. S. Blonde to bring to their final resting place the remains of Kamehameha II and his queen, Kammalu, who contracted and died of measles on a visit to Great Britain.
nativeplants.hawaii.edu/plant/view/Ischaemum_byrone
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Tikal, Peten, Guatemala
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Charcos, Puntarenas, Costa Rica
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Sydney, New South Wales, Australia