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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (20) (Fulgensia canariensis; Caloplaca canariensis). On strongly eroded volcanic rocks. Thallus crustose, consisting of yellow areoles/squamules, surface smooth; apothecia up to 1 mm diam.; disc flat to slightly convex with age; margin lecanorine; epith. orange-brown; hymenium colourless (88 µm); hypoth. colourless; asci 8-spored (53 µm); ascospores simple to 1-septate, pyriform (14.4-18.2 x 6.3-7.4 µm), conidia bacilliform; photobiont chlorococcoid. Thalllus and apothecia K+ red. E; Canary Islands; La Gomera-S ; nne of Santiago: hiking path between El Rumbazo and Targa. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (20) On strongly eroded volcanic rocks. E; Canary Islands; La Gomera-S ; nne of Santiago: hiking path between El Rumbazo and Targa. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (20) On strongly eroded volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-S ; nne of Santiago: hiking path between El Rumbazo and Targa. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (38) On strongly eroded volcanic rocks. E; Canary Islands; La Gomera-MSW; se of Chipude: at Fortaleza. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (20) (Fulgensia canariensis; Caloplaca canariensis). On strongly eroded volcanic rocks. Thallus crustose, consisting of yellow areoles/squamules, surface smooth; apothecia up to 1 mm diam.; disc flat to slightly convex with age; margin lecanorine; epith. orange-brown; hymenium colourless (88 µm); hypoth. colourless; asci 8-spored (53 µm); ascospores simple to 1-septate, pyriform (14.4-18.2 x 6.3-7.4 µm), conidia bacilliform; photobiont chlorococcoid. Thalllus and apothecia K+ red. E; Canary Islands; La Gomera-S ; nne of Santiago: hiking path between El Rumbazo and Targa. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (20) On strongly eroded volcanic rocks. E; Canary Islands; La Gomera-S ; nne of Santiago: hiking path between El Rumbazo and Targa. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (20) On strongly eroded volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-S ; nne of Santiago: hiking path between El Rumbazo and Targa. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (38) On strongly eroded volcanic rocks. E; Canary Islands; La Gomera-MSW; se of Chipude: at Fortaleza. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (38) E; Canary Islands; La Gomera-MSW; se of Chipude: at Fortaleza. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (38) On strongly eroded volcanic rocks. E; Canary Islands; La Gomera-MSW; se of Chipude: at Fortaleza. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (278) On volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (278) On volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (468) (syn. Fulgensia canariensis; Caloplaca canariensis). On strongly eroded volcanic rocks. Thallus crustose, consisting of yellow areoles/squamules, surface smooth; apothecia up to 1 mm diam.; disc flat to slightly convex with age; margin lecanorine; epith. orange-brown; hymenium colourless; hypothecium colourless; asci 8-spored; ascospores1-septate, pyriform (12.3-14.7 x 6.3-7.0 µm); septum 2.8-3.5 µm; photobiont chlorococcoid. Thalllus and apothecia K+ red. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (468) (syn. Fulgensia canariensis; Caloplaca canariensis). E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (468) (syn. Fulgensia canariensis; Caloplaca canariensis). Microscopic details. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (510) On strongly eroded volcanic rocks. Ascospores 14-18 x 7-7.7 µm. Apothecia and Thallus K+ red. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (510) On strongly eroded volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
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Gyalolechia canariensis (Follmann & Poelt) Søchting, Frödén & Arup (510) On strongly eroded volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
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Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup (250) (Caloplaca flavovirescens). On base-rich volcanic rocks. Thallus pale (greenish) yellow, dispersed; apothecia up to 1.5 mm diam.; apothecial disc orange (giving the lichen a bicoloured appearance), convex when older; margin paler, soon disappearing; epithecium orange-brown; hymenium colourless (-65 µm); ascospores ellipsoid, colourless, polarilocular (12.3-14.0 x 7.0-7.7 µm); septum thick (5.3-6.0 µm). Thallus & apothecia K+ red. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta.
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Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup (304) (Caloplaca flavovirescens). On volcanic rocks. Thallus consisting of (greenish)-yellow areoles, whitish pruinose; apothecia (-0.7 mm diam.); disc deep orange, flat, later convex; thalline margin yellow-grey; proper margin orange; epith./hypoth. colourless; hymenium colourless (-60 µm); asci 8-spored (-50 µm); ascospores colourless, polarilocular (12.6 - 14.0 x 6.3 - 7.7 µm); septum (3.5-5.3 µm). All parts K+ red. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
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Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup (304) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
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Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup (304) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
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Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup (304) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
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Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup (329) On volcanic rocks. Thallus consisting of (greenish)-yellow areoles, whitish pruinose; apothecia (-1.2 mm diam.); disc deep orange, flat; thalline margin concolourous with thallus; proper margin orange; epith./hypoth. colourless; hymenium colourless (-53 µm); asci 8-spored; ascospores colourless, polarilocular (16.1 - 18.2 x 7.7 - 9.1 µm); septum (7.0-8.8 µm). All parts K+ red. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
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Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup (329) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
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Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup (329) On volcanic rocks. Application with K. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
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Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup (329) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
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Gyalolechia subbracteata (Nyl.) Søchting, Frödén & Arup (18) On calcareous soil. Thallus clearly lobate at the margins (but lobes shorter and more adnate than at G. fulgens); pruinose; usually without apothecia; the similar G. bracteata is not lobate and has usually many apothecia); with many scaly schizidia. Thallus K+ red. E; Canary Islands; La Gomera-NW: Village of Epina. New to La Gomera.
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Gyalolechia subbracteata (Nyl.) Søchting, Frödén & Arup (33) On calcareous soil. Thallus clearly lobate at the margins (but lobes shorter and more adnate than at G. fulgens); pruinose; usually without apothecia; apothecial disc flat; margin lecanorine; with many scaly schizidia; (the similar G. bracteata is not lobate and has usually many apothecia). Thallus and apothecia K+ red. E; Canary Islands; La Gomera-NNW: hiking path between Playa de Vallehermoso and M. Alcala (Buenavista). |
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Gyalolechia subbracteata (Nyl.) Søchting, Frödén & Arup (33) On calcareous soil. E; Canary Islands; La Gomera-NNW: hiking path between Playa de Vallehermoso and M. Alcala (Buenavista). |