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United States
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Cypsela of Taraxacum aristum cleaned to remove pappus and leave the achenes. Species shows interesting variation in fruit colour which is consistent within a flowerhead and possibly consistent for the individual. Fruit colour also appears to match that of the parent plant.
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Montes de Torrero:Zaragoza.EspaaDistribucin: MediterrneaSuelo: indiferente.Florece: Abril_Agosto.Altitud:180 - 1800 mExtractado del Atlas de la Flora Aragonesa (Herbario de Jaca)
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Kanagawa Prefecture, Japan
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United States
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Sydney, New South Wales, Australia
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2012-08-13 Vienna, district X./ Lower Austria, district Wien-UmgebungGerman name: Lss-Lwenzahn (fruchtend)Very typical for this species are the great number of flowering (and fruiting) stems, while "ordinary" T. officinale (agg.) only grows one stem per rosetta. Also, rosetta leaves of this one are quite distinct and easily recognisable.This habitat here is the southerly exposed side of S1 motorway, it has been seeded by biologist Mr Biskup with seeds of dry meadow plants from local production - so even though this is not quite a natural occurrence it is almost so.
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Steppes, Tasmania, Australia
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Montes de Torrero:Zaragoza.EspaaDistribucin: MediterrneaSuelo: indiferente.Florece: Abril_Agosto.Altitud:180 - 1800 mExtractado del Atlas de la Flora Aragonesa (Herbario de Jaca)
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United States
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Cypsela of Taraxacum aristum (mountain dandelion) collected from The Steppes, Tasmania.
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United States
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Maichingen, Baden-Wurttemberg, Germany
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The native Taraxacum aristum (mountain dandelion - left) and the introduced Taraxacum officinale (common dandelion - right) flowerheads placed next to each other. Plants growing at the nursery of the Royal Tasmanian Botanical Gardens.Taraxacum officinale is known to be apomictic (ie the flowers do not fertilise and the seeds produced are vegetative clones of the parent plant). The reproductive system of Taraxacum aristum is not clear. Flowerheads only last for about two days, only seem to open in sunny weather and pollinators have rarely been observed. Despite this seed production is prolific.
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Zaragoza: Aragn (Espaa)Sinnimos: Leontodon vulgare;Leontodon taraxacum; Taraxacum vulgare (Lam.) Schrank Familia: ASTERACEAE (COMPOSITAE)Distribucin: Repartida por casi toda Europa menos el extremo N; en la Pennsula Ibrica slo falta en algunos puntos del S. En Aragn se reparte por todos los sectores del territorio, y es en general frecuente.Hbitat: Varios tipos de herbazales con suelo fresco y moderadamente nitrogenado, como prados, majadas, orillas de setos, claros forestales y cspedes urbanos, incluso los de las zonas semiridas, siempre que estn regados.Preferencia edfica: Indiferente, Moderadamente nitrfilaRango altitudinal: 180- 2000 ( 2250 ) mFloracin: Febrero - NoviembreForma Biolgica: Hemicriptfito rosulado Extractado del Atlas de la Flora de Aragn (Herbario de Jaca)
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2011-09-12 Lower Austria, district Schwechat (175 msm Quadrant 7864/4).German name: Lss-Lwenzahn
See also remarks here.This is one special habitat indeed: only a few years ago (I don't know exact dates, but some time between 2000 and 2005/2007?!) this place only was a heap of sand, the remains of what bulldozers left after rebuilding and restructuring railway shunting lines in the Vienna/Schwechat area.Now, this place is home to several rare species,
T. serotinum is only one of them.
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Fruit head of Taraxacum aristum (mountain dandelion). Plants grown at the Royal Tasmanian Botanical Gardens.
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Maichingen, Baden-Wurttemberg, Germany