ITALIC 8.0

Ramboldia lusitanica (Räsänen) Kalb, Lumbsch & Elix

Nova Hedwigia, 86: 34, 2008. Basionym: Protoblastenia lusitanica Räsänen - Arch. Soc. Zool.-Bot. Fenn. Vanamo, 3: 81, 1949.

Synonyms: Pyrrhospora lusitanica (Räsänen) Hafellner

Distribution: C - Tosc (TSB 35275), Sar.

Description: Thallus crustose, episubstratic, whitish or pale whitish grey, dull, continuous to weakly rimose, forming small patches. Apothecia lecideine/biatorine, bright red to orange-red, 0.4-0.8(-1) mm across, soon convex and immarginate. Proper exciple thin, prosoplectenchymatous, of radiating hyphae, orange in outer part, colourless within, K+ red, granular-inspersed; epithecium orange-red, with an epipsamma of fine golden yellow granules reacting K+ red; hymenium colourless; paraphyses coherent, simple or sparingly branched in upper part, not swollen at tips; hypothecium thick, colourless or pale orange. Asci 8-spored, clavate, with an amyloid tholus and broadly diverging axial mass, approaching the Lecanora-type. Ascospores 1-celled, hyaline, ellipsoid-oblong, 9-12 x 2.5-3 µm. Pycnidia red. Conidia thread-like. Photobiont: chlorococcoid. Spot tests: thallus K-, C-, KC-, P-, UV-; apothecia K+ red. Chemistry: thallus with lichesterinic acid (major), and protolichesterinic acid (minor); apothecia with russulone.

Note: a Mediterranean-Atlantic species found on Pinus, Cistus and Erica in humid, mostly coastal maquis vegetation, restricted to Tyrrhenian Italy. It is included as “Critically Endangered” in the Italian red list of epiphytic lichens (Nascimbene & al. 2013c).

Growth form: Crustose

Substrata: bark

Photobiont: green algae other than Trentepohlia

Reproductive strategy: mainly sexual

Restricted to humid-warm, oceanic areas

Commonnes-rarity: (info)

Alpine belt: absent

Subalpine belt: absent

Oromediterranean belt: absent

Montane belt: absent

Submediterranean belt: absent

Padanian area: absent

Humid submediterranean belt: absent

Humid mediterranean belt: extremely rare

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

Index Fungorum GBIF

P.L. Nimis CC BY-SA 04

TSB 9043

P.L. Nimis CC BY-SA 4.0

TSB 9043