Cladonia zopfii Vain.

Meddel. Soc. Fauna Flora Fenn., 45: 306, 1919
Synonyms:
Distribution: N - Piem (Burgaz & al. 2020).
Description: Primary thallus evanescent, usually not visible, consisting of inconspicuous, subentire squamules. Podetia dichotomously branched, hollow inside, cupless, decumbent to erect, yellowish green, with closed axils, 23-40(-70) mm long, 0.8-2.5(-5) mm thick (internode length 3-7 mm, length of last branch 2-9 mm), the apices subulate, not darkened but turning bluish in the herbarium due to crystal needles. Cortex matt, smooth and continuous, with non-thickened cells, sometimes turning verruculose with age; internal surface of podetia striately fibrose. Apothecia unknown. Pycnidia dark, turbinate, constricted at base, terminal, with a colourless jelly. Photobiont chlorococcoid. Spot tests: K-, C-, KC+ yellow, P-, UV-. Chemistry: usnic and destrinic acids, sometimes terpenoids.
Note: a rare species, found on acid soil in subalpine and alpine tundras, often together with the similar Cladonia uncialis.
Growth form: Fruticose

Substrata: soil, terricolous mosses, and plant debris
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by thallus fragmentation

Commonnes-rarity: (info)

Alpine belt: extremely rare
Subalpine belt: extremely rare
Oromediterranean belt: absent
Montane belt: absent
Submediterranean belt: absent
Padanian area: absent
Humid submediterranean belt: absent
Humid mediterranean belt: absent
Dry mediterranean belt: absent


pH of the substrata:

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Solar irradiation:

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Eutrophication:

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Poleotolerance:

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Altitudinal distribution:

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Einar Timdal - Source: http://www.nhm2.uio.no/botanisk/lav/Photo_Gallery/Cladonia/zopfii_G=Norway+SoerTroendelag+Oerland_D=20040522_O=Timdal_H=O-L129367_C=ET_I=1.jpg


Pier Luigi Nimis - CC BY-SA 4.0
Herbarium: TSB 9208