Algues rouges

Classification
Plantae Rhodophyta Florideophyceae Bonnemaisoniales Gigartinales Peyssonneliales Corallinales Amphiroa Bossiella Corallina Hydrolithon Lithophyllum Lithothamnion Mastophora Mesophyllum Messinian Phymatolithon Pseudolithophyllum Sporolithon
1600 espèces / 2 familles

Plantae

Références web
en.wikipedia eol	algaebase

Description
algue rouge-rosé-purple (qqx jaune ou bleue) encroûtante (<thalle); pink to pinkish-grey patches, splashed as though by a mad painter over rock surfaces
unattached specimens (maerl, rhodoliths) may form relatively smooth compact balls to warty (couvert de verrues) or fruticose (coral-like shrubby or bushy growth structure) thalli
pvt être épiphytes ou épizootes ou parasitique; pvt recouvrir jsq 100% d'une zone rocheuse; exclusivement marines (qqx brackish, but no fresh water); slow-grower;
pvt être geniculate (articulée): branching, tree-like attached to the substratum by crustose or calcified, root-like holdfasts; made flexible by having noncalcified sections (genicula) separating longer calcified sections (intergenicula) ou nongeniculate (non articulée): range from a few micrometres to several centimetres thick crusts (thin or thick); slow growing, they may occur on rock, coral skeletons, shells, other algae or seagrasses or endophytiq (on other corallines); may produce knotty protuberances; sometimes free-living (unattached rounded & branching algae)
feed oursins, parrotfish, mollusq...

Etymologies		Source
coralline	latin corallis = pierre précieuse	Gaffiot



Rhodophyta

sur lit de Palythoa heliodiscus 2019 Maldives ©mda (via INaturalist)	2012 Bunaken (Sulawesi) ©mda (via INaturalist)	Liagora 2012 Montremian (Fr83) ©mda (via INaturalist)


Bossiella californica 2005 Carmel Bay (Monterey/US) ©California Academy of Sciences by Lovell and Libby Langstroth (via Encyclopedia of Life)	Bossiella californica 2005 Carmel Bay (Monterey/US) ©California Academy of Sciences by Lovell and Libby Langstroth (via Encyclopedia of Life)


Amphiroa valonioides 2010 ©Moorea Biocode by Claude Payri (via Encyclopedia of Life)	Mastophora pacifica 2010 ©Moorea Biocode by Claude Payri (via Encyclopedia of Life)	Corallina officinalis 2013 Dorset (UK) ©BioImages by Malcolm Storey (via Encyclopedia of Life)


	Sporolithon 2008 ©Moorea Biocode by Claude Payri (via Encyclopedia of Life)	Sporolithon 2008 ©Moorea Biocode by Claude Payri (via Encyclopedia of Life)


Lithothamnion 2010 ©Moorea Biocode by Claude Payri (via Encyclopedia of Life)	Lithothamnion 2010 ©Moorea Biocode by Jean-Louis Menou (via Encyclopedia of Life)	Hydrolithon 2010 ©Moorea Biocode by Claude Payri (via Encyclopedia of Life)


2006 MossBeach (Californie) by David R. Ingham (via Wikimedia Commons)	sur vitre d'aquarium, 2006 by Mike Giangrasso (via Wikimedia Commons)	2008 by Antnio Pena (via Encyclopedia of Life)
Rhodophyta




Asparagopsis
	Synonymes	/ NE / ITIS

Asparagopsis taxiformis 2020 Los Angeles ©Cedric Lee (via INaturalist)	Asparagopsis armata 2019 Chili ©Erasmo Macaya (via INaturalist)	Asparagopsis armata 2019 Portugal ©simaomateus (via INaturalist)


Asparagopsis taxiformis 2023 St-Leu (Réunion) by Jean-Pascal Quod (via Wikimedia Commons)	Asparagopsis taxiformis 2009 Mayotte by Jean-Pascal Quod (via Wikimedia Commons)	Asparagopsis taxiformis 2023 St-Leu (Réunion) by Jean-Pascal Quod (via Wikimedia Commons)
cosmopolite & Méditerranée, invasive	algue feuille de pierre	(sub)tropical
tempéré
Asparagopsis

Corallina elongata
	Ellisolandia elongata	/ NE / ITIS

2018 St-Malo (Fr35) ©David Renoult (via INaturalist)	2018 St-Malo (Fr35) ©Julien Renoult (via INaturalist)


2003 by Guido Picchetti (via Wikimedia Commons)	2018 by Rúdisicyon (via Wikimedia Commons)	2019 Irlande ©frankgwax (via INaturalist)
N-Atlantiq	algue feuille de pierre	Philippi, 1837
tempéré		(doris)
Corallina elongata

Lithophyllum incrustans
	Synonymes	/ NE / ITIS

au centre Peyssonnelia squamaria, 2011 Colera (Sp) ©mda (via INaturalist)	2015 Fabregas (Fr83) ©mda (via INaturalist)	©mda (via GooglePhotos)
N-Atlantiq	algue feuille de pierre	Philippi, 1837
tempéré		(doris)
Lithophyllum incrustans




Lithophyllum
	Synonymes	/ NE / ITIS

		2014 Marseille (Fr13) ©mda (via INaturalist)


2012 Cap des Mèdes (Porquerolles-Fr83) ©mda (via GooglePhotos)	2012 Montrémian (Bagaud/PortCros) ©mda (via GooglePhotos)	2010 Colera (Sp) ©mda (via GooglePhotos)
N-Atlantiq	algue feuille de pierre	tempéré

Lithophyllum




Mesophyllum

Mesophyllum expansum 2015 Levanto (It) by Hectonicus (via Encyclopedia of Life)
Mesophyllum




Mesophyllum lichenoides
doris / souslesmers / cotebleue / algaebase	Synonymes	Me.Lemoine, 1928 / NE / ITIS

2008 Candas (Asturias/Sp) WoRMS for SMEBD by Ignacio Bàrbara (via Encyclopedia of Life)	Porthcurnick (Cornwall/UK) ©BioImages by Malcolm Storey (via Encyclopedia of Life)	2007 Ria de Muros (Galice/Sp) WoRMS for SMEBD by Ignacio Bàrbara (via Encyclopedia of Life)
Manche, N-Atlantiq & Méditerranée	mésophylle	subtropical

Mesophyllum lichenoides




Peyssonnelia squamaria
(doris)	Synonymes	Decaisne, 1842 / NE / ITIS

sur lit de Lithophyllum incrustans, 2011 Colera (Sp) ©mda (via INaturalist)	2014 Marseille (Fr13) ©mda (via INaturalist)	2008 Capo Gallo (Sicily/It) by Esculapio (via Wikimedia Commons)
N-Atlantiq & Méditerranée	Peyssonelia	subtropical

Peyssonnelia squamaria




Peyssonneliales
	Synonymes	/ NE / ITIS

2019 Bohol (Ph) ©mda (via INaturalist)		Peyssonnelia mexicana 2016 Playa (Yucatan) ©mda (via INaturalist)
Peyssonneliales




Pseudolithophyllum expansum
	Synonymes	/ NE / ITIS

2012 Cap des Mèdes (Porquerolles/83) ©mda (via GooglePhotos)	2012 Cap des Mèdes (Porquerolles/83) ©mda (via GooglePhotos)
Méditerranée	coralline	subtropical

Pseudolithophyllum expansum




Sphaerococcus coronopifolius
(doris)	Synonymes	Stackhouse, 1797 / NE / ITIS

devt: Eunicella singularis, 2010 Colera (Sp) ©mda (via GooglePhotos)	2015 Plougasnou (29) ©mda (via INaturalist)


2005 Calabre (It) by Gronk (via Wikimedia Commons)	2011 Banyuls ©Matthieu Sontag (via Wikimedia Commons)	2008 Italy © frahome ©mda (via INaturalist)
Méditerranée, Manche & Atlantiq	fausse gorgone	subtropical & tempéré

Sphaerococcus coronopifolius

MàJ 04/06/2020