Page 10 - Gianguzzi_alii_2012

Acta Botanica Gallica: Botany Letters 311

Table 2.
Tableau 2. Helminthotheco aculeatae–Brachypodietum retusi C. & S. Brullo, Giusso & Tomaselli 2006 [rel. 1–4: Erice (11.5.2011)].

Plant life-form Relevé n° 1 2 3 4
Altitude (m) 250 250 320 330
Slope (°) 10 10 25 5
Aspect NW NW NW NW
2
Surface (m ) 60 60 60 60
Coverage (%) 95 90 85 95
Average height (cm) 20 25 25 20
Number of species 22 24 21 24

Char. and diff. of the association
H Brachypodium retusum (Pers.) P. Beauv. 5.5 4.5 4.5 5.5
H Helminthotheca aculeata (Vahl) Lack 2.2 1.1 . +
Char. of the alliance Thero–Brachiodion ramosi and the order Hyparrhenietalia hirtae
H Elaeoselinum asclepium (L.) Bertol. 2.2 1.2 2.2 1.2
H Hyoseris radiata L. + 1.1 + +
G Simethis mattiazzi (Vandelli) Sacc. 1.1 1.1 + +
H Eryngium tricuspidatum L. var. bocconii (Lam.) Fiori 2.2 1.1 1.1 .
H Avenula cincinnata (Ten.) Holub 1.2 1.2 1.2 .
H Klasea flavescens (L.) Holub subsp. mucronata (Desf.) Cantó & Rivas-Mart. 2.2 2.2 + .
H Delphinium emarginatum C. Presl + 1.1 . .
H Ampelodesmos mauritanicus (Poir.) T. Durand & Schinz . . 1.2 1.2
H Kundmannia sicula (L.) DC. . . 1.2 +
H Galium lucidum All. . + + .
H Convolvulus althaeoides L. . + . .
Ch Phagnalon saxatile (L.) Cass. var. saxatile . . + .

Char. of the class Lygeo–Stipetea
H Dactylis glomerata subsp. hispanica (Roth) Nyman 1.2 +.2 1.2 2.2
H Carlina sicula Ten. 1.2 2.2 1.2 +.2
G Asphodelus ramosus L. subsp. ramosus var. africanus Z. Díaz & Valdés 1.1 2.2 1.1 +
G Charybdis pancration (Steinh.) Speta 1.1 1.1 + +
H Anthyllis vulneraria L. subsp. maura (Beck) Maire 1.1 + . 1.2
Ch Dianthus graminifolius C. Presl . + 1.2 1.2
T Crepis vesicaria L. subsp. vesicaria + + . +
G Gladiolus communis subsp. byzantinus (Mill.) A. P. Ham. + + . .
H Bituminaria bituminosa (L.) E. H. Stirton . . + +
H Hypericum perfoliatum L. . . + +
H Centaurea sicula L. . . + +
H Eryngium campestre L. . . . 1.1
H Scorzonera villosa subsp. columnae (Guss.) Nyman + . . .
H Daucus carota L. subsp. carota var. carota . + . .
H Foeniculum vulgare Mill. subsp. vulgare . . + .
H Reichardia picroides (L.) Roth . . . +
Companions
H Carex caryophyllea Latourr. 1.1 + . .
G Muscari commutatum Guss. + . . +
H Tolpis virgata (Desf.) Bertol. subsp. quadriaristata (Biv.) Giardina & Raimondo . . . 1.1
T Briza maxima L. + . . .
G Cyclamen hederifolium Aiton subsp. hederifolium + . . .
T Trifolium stellatum L. var. stellatum + . . .
G Anacamptis pyramidalis (L.) Rich. . + . .
T Galactites elegans (All.) Soldano . + . .
G Serapias cordigera L. . + . .
T Avena barbata Pott subsp. barbata . . + .
H Scolymus grandiflorus Desf. . . . +
H Urospermum dalechampii (L.) F. W. Schmidt . . . +
H Reseda alba L. subsp. alba . . . +

(Rivas-Martinez, Fernàndez-Gonzàlez, and Loidi 1999), umbellata L., Erica vagans L.), besides Calluna vulgaris
together with various species of the genus Erica (Erica (L.) Hull, Scorzonera humilis L., Serratula tinctoria L.,
australis L., Erica ciliaris L., Erica cinerea L., Erica etc. (Díaz González 1998). Such formations – dominated