Arthonia phlyctiformis Nyl.
Bot. Notiser: 163, 1853.
Synonyms: Arthothelium phlyctiforme (Nyl.) Arnold; Arthothelium taediosoides Giralt & Grube
Distribution: S - Pugl (Ravera & al. 2024a).
Description: Thallus crustose, episubstratic, clearly lichenized, usually rather thick, continuous or finely rimose, whitish, without a distinct prothallus. Apothecia arthonioid, immarginate, black but sometimes white-pruinose, irregularly rounded, stellate or elongate and more or less branched, 0.1-0.3(-0.5) x 0.3-1.5(-2) mm, level with thallus. Proper exciple poorly developed; epithecium olivaceous brown, 10-15 μm high, K+ olive-green; hymenium colourless, c. 40-60 μm high, I+ blue turning blood-red, K/I+ blue; paraphysoids anastomosing, branched in upper part, c. 1 μm thick; hypothecium colourless to pale brown, 10-20 μm high. Asci 8-spored, broadly clavate to subglobose, semi-fissitunicate, with a large apical dome, a distinct ocular chamber, and a K/I+ bluish ring-structure, Arthonia-type. Ascospores submuriform to muriform, with 6-8 transverse and 1-2 longitudinal septa in each transverse segment, persistently hyaline, obovoid to ellipsoid, (23-)26-30(-33) x (9-)10-13 μm, always with a distinct, gelatinous sheath reacting I+ red and K/I+ blue. Pycnidia very rare, more or less hemispherical, black-brown. Conidia bacilliform, straight or slightly curved, (4-)5-7 x 1-1-5 μm. Photobiont chlorococcoid, small-celled. Spot tests: thallus K-, C-, KC-, P-. Chemistry: without lichen substances.Note: apparently not rare along the eastern coast of the Iberian Peninsula, especially on acid-barked trees, and also known from France (Languedoc-Roussillon and Pyrénées-Orientales), this species also occurs in Mediterranean Italy.
Growth form: Crustose
Substrata: bark
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
Taxon bound to maritime-coastal situations
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: extremely rare
![](map_builder/2779.png)
Predictive model
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857695.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857700.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857704.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857709.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857714.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857721.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857726.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857730.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857734.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857739.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857743.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857748.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857753.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857758.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857763.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857772.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857780.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857787.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857803.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857809.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857815.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857821.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857829.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857837.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857843.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857850.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857856.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857862.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857878.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857885.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857891.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857898.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
Growth form: Crustose
Substrata: bark
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
Taxon bound to maritime-coastal situations
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: extremely rare
![](map_builder/2779.png)
Predictive model
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857695.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857700.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857704.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857709.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857714.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857721.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857726.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857730.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857734.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857739.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857743.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857748.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857753.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857758.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857763.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857772.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857780.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857787.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857803.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857809.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857815.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857821.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857829.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857837.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857843.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857850.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857856.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857862.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857878.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857885.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857891.jpg)
Patrick Pinault
Italy, Puglia, Lecce, Lecce, Giardini Pubblici G. Garibaldi (formerly Villa della Lupa), on fallen branches
04.2023
![](../flora/images/species/thumbnails/ArthoniaphlyctiformisNyl1682857898.jpg)