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Polytrichum juniperinum; Juniper Haircup   

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Polytrichum juniperinum
Polytrichum juniperinum
Juniper Haircup
Photographer: Dr. Amadej Trnkoczy

ID: 0000 0000 1223 0389 (2023-12-13)

Copyright © 2023 Dr. Amadej Trnkoczy

  • date of photo  May 22, 2023
  • latitude 46.36000   longitude 13.69950     View on Google Maps.
  • location   Lower Trenta valley between villages Soča and Trenta, right bank of river Soča, north of abandoned farm house Strgulc, Soča 47, East Julian Alps (Posočje, Slovenia)
  • notes   Slo.: brinolistni kapičar - Habitat: former pasture; calcareous, skeletal, colluvial ground; base rich, shallow rendsina; open, sunny, dry, and warm place; moderately inclined mountain slope, south aspect; average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevation 635 m (2.080 feet) and 560 m (1.840 feet), alpine phytogeographical region. - Substratum: soil. - Comment (pertains to pictures in the Flickr album Polytrichum juniperinum): Polytrichum juniperinum is a common and showy, acrocarpous, medium sized moss of mostly dry places. It is present on all continents on the Earth from lowland to high mountains. It is a dioecious plant, meaning that the male and female gametophytes are on separate plants. It can be distinguished from other species of this genus by distinctive, long red-brown tips of the leaves. The leaf edges are entire without teeth. Otherwise quite similar and also common bristly haircup (Polytrichum pilifrum) also has similar long tips of the leaves, but they are white instead of red-brown. Also, Polytrichum juniperinum's male plants (see Fig. 5.) are typical with their reddish modified leaves, the perigonial rosettes, forming small terminal 'flowers'. When dry the moss looks much different (see Fig. 10.). The leaves become enrolled and adpressed to the stem. The shots become pointed. - Ref.: (1) M. Luth, Mosses of Europe – A Photographic Flora. ML Publ., Vol.1., Freiburg, Germany (2019), p 99. (2) I. Atherton, S. Bosanquet, M. Lawley, eds., Mosses and Liverworts of Britain and Ireland, British Bryological Society, (2010), p 325 (3) M. Nebel, G.Philippi, eds., Die Moose Baden-Württembergs, Vol: 1. (2000), p 75.
  • camera   Nikon D700 / Nikkor Micro 105mm/f2.8
  • contributor's ID #  Bot_1527/2023_DSC0541
  • photo category: Plant - mosses/etc

  • common names   Juniper Haircup, Juniper Polytrichum Moss (photographer)
  • View all photos in CalPhotos of Polytrichum juniperinum
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  • The photographer's identification Polytrichum juniperinum has not been reviewed. Click here to review or comment on the identification.

    Using this photo   The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the photo is clearly credited with © 2023 Dr. Amadej Trnkoczy. For other uses, or if you have questions, contact Dr. Amadej Trnkoczy amadej.trnkoczy[AT] (Replace the [AT] with the @ symbol before sending an email.)


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