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Published In: Die Musci der Flora von Buitenzorg 1: 300. 1904. (Musci Buitenzorg) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 9/20/2009)
Acceptance : Accepted
Project Data     (Last Modified On 10/23/2013)
country distribution: Venezuela, Colombia, Ecuador, Peru, Bolivia
EcoRegions: Páramo, Puna, Montane Forest
elevation: 2000-2500, 2500-3000, 3000-3500, 3500-4000, 4000-4500
substrate: soil, rocks
frequency: common

Notes     (Last Modified On 10/23/2013)

Ecology. Forested to mostly open Yungas and Tucuman-Bolivian montane; shaded to more commonly exposed sites, on soil and rocks, occasionally on steep banks. Elevation. 2000-2900 m. Distribution. Bolivia: Chuquisaca, La Paz, Santa Cruz. World range: Mexico, Central America, West Indies, tropical Andes, widespread in the Southern Hemisphere.
Ecología. Bosque montano a generalmente montano abierto de Yungas y Tucumano-boliviano; en sitios sombreados a más comúnmente expuestos, sobre suelo y rocas, ocasionalmente sobre taludes inclinados. Altitud. 2000-2900 m. Distribución. Bolivia: Chuquisaca, La Paz y Santa Cruz. Distribución mundial: México, Centro América, Caribe, Andes tropicales, amplia distribución en el hemisferio sur.
Ditrichum difficile is distinguished by the glossy green or yellowish-green, silky appearing plants, flexuose and loosely erect-spreading leaves sheathing only at the very base, elongate juxtacostal cells with entire walls, distal sheathing lamina cells elongate. In Bolivia this species is rather surprising infrequent compared with Colombia or Ecuador. Ditrichum rufescens (Hampe) Hampe is a synonym (cf. Seppelt 1982, Allen 1994; see general references); D. difficile exhibits a circum-Antarctica distribution pattern.
Ditrichum difficile se distingue por las plantas verde brillantes o verde-amarillentas, de apariencia sedosa, hojas flexuosas y laxamente erecto-extendidas, envainadoras sólo en la base, células alargadas yuxtacostales con paredes enteras, células distales de la porción envainadora de la lámina alargadas. En Bolivia esta especie sorprendentemente es poco frecuente comparada con Colombia o Ecuador. Ditrichum rufescens (Hampe) Hampe es un sinónimo (cf. Seppelt 1982, Allen 1994; ver referencias generales); D. difficile presenta un patrón de distribución en el círculo antártico.


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Ditrichum difficile (Duby) M. Fleisch., Musci Buitenzorg 1: 300. 1904. Trichostomum difficile Duby in Moritzi, Syst. Verz. Zoll. Pfl. 134. 1846. Type:

Ditrichum rufescens (Hampe) Hampe, Flora 50: 182. 1867. Leptotrichum rufescens Hampe, Linnaea 31: 521. 1862. Type: Colombia. Cundinamarca, Cipacon, 2500 m, Aug. 1861, Lindig 2137 (BM).

Leptotrichum plumosum Müll. Hal., Linnaea 42: 470. 1879. Type: Venezuela. Prope ColoniamTovar, 1854-1855, Fendler 18 (NY, isotype).




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