Dendrographa latebrarum (Ach.) Ertz & Tehler

Dendrographa latebrarum (Ach.) Ertz & Tehler

Fungal Divers., 49: 53, 2011. Basionym: Lichen latebrarum Ach. - Lichenogr. Suec. Prodr.: 7, 1799.

Synonyms: Crocynia albissima B. de Lesd.; Crocynia fragilissima Hue; Crocynia hueana B. de Lesd.; Crocynia latebrarum (Ach.) Vain.; Lecanactis latebrarum (Ach.) Arnold; Lepra candida auct. p.p.; Lepraria latebrarum Ach.

Distribution: N - Frl (Tretiach 2004), TAA (Egea & Torrente 1994), Lomb (UPS-L-176219).

Description: Thallus crustose to subleprose, episubstratic, greyish white, sometimes pale brown- or rose-tinged, composed of irregular to somewhat flattened aggregations of soredia and hyphae heavily incrusted by crystals, forming up to 5 mm thick and to 1 cm wide, soft, cottony, convex cushions; prothallus visible only in young, thinner thalli, usually whitish to pale brown. Medulla of colourless hyphae densely covered in plate-like crystals visible under polarized light. Apothecia and pycnidia not known. Photobiont trentepohlioid. Spot tests: thallus K-, C-, KC-, P-; medulla and soralia UV+ pale blue. Chemistry: lepraric acid (major), plus variable amounts of roccellic acid, and ‘Latebrarum-unknown’.

Note: a mainly temperate species found beneath overhangs and in crevices of siliceous rocks which are seldom wetted by rain, much more rarely on old trunks of Quercus.

Growth form: Leprose

Substrata: rocks

Photobiont: Trentepohlia

Reproductive strategy: mainly asexual, by soredia, or soredia-like structures (e.g. blastidia)

In underhangs rarely wetted by rain

Commonnes-rarity: (info)

Alpine belt: absent

Subalpine belt: absent

Oromediterranean belt: absent

Montane belt: very rare

Submediterranean belt: very rare

Padanian area: absent

Humid submediterranean belt: absent

Humid mediterranean belt: absent

Dry mediterranean belt: absent

pH of the substrata:

1

2

3

4

5

(info)

Solar irradiation:

1

2

3

4

5

(info)

Aridity:

1

2

3

4

5

(info)

Eutrophication:

1

2

3

4

5

(info)

Poleotolerance:

0

1

2

3

(info)

Altitudinal distribution:

1

2

3

4

5

6

(info)

Predictive model

Herbarium samples

E. Pittao CC BY-SA 4.0

TSB 36068

Pier Luigi Nimis CC BY-SA 4.0

TSB 41615

E. Pittao CC BY-SA 4.0.

TSB 36068

E. Pittao CC BY-SA 4.0.

TSB 36068

E. Pittao CC BY-SA 4.0.

TSB 36068

Einar Timdal - Source: http://nhm2.uio.no/lav/web/index.html - CC BY-NC

E. Pittao CC BY-SA 4.0.

TSB 36442

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=697&lang=en

France, Montherme

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=697&lang=en

France, Montherme

Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=697&lang=en

France, Montherme

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=697&lang=en

France, Argol

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=697&lang=en

France, Argol

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=697&lang=en

France, Landevennec

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=697&lang=en

France, Landevennec

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=697&lang=en

France, Landevennec

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