Observation 89119: Placynthium (Ach.) Gray

When: 2012-03-03

Collection location: Planalto das Cezaredas, Portugal [Click for map]

Who: zaca

No specimen available

Observations MO89115 to MO89122 took place at an old fence inside a small village, made of the (calcareous) local stones and some soil.

Lacking of the bluish prothallus usually present in Placynthium nigrum.


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I saw already …
By: zaca
2012-03-12 17:47:41 CST (-0500)

in Stridvall’s Placynthium gallery some specimens lacking a bluish prothallus, but in that case some kind of prothallus exists between the areolas. I was not able to see any prothallus in this specimen. Thanks, Antonio.

Placynthium cf. nigrum
By: Anto (Antonio Valero)
2012-03-12 15:36:01 CST (-0500)

se vé “Prothallus” negro en borde.