Table 1.
The list of 124 species recorded in 57 stands in 19 sites in the study areas and their distribution in seven vegetation groups using the TWINISPAN analysis.
| Ser. | Species | A | B | C | D | E | F | G | P (%) |
|---|---|---|---|---|---|---|---|---|---|
| 01 | Abutilon pannosum (G. Forst.) Schltdl. | 18.2 | 11.1 | ||||||
| 02 | Acacia ehrenbergiana Hayne | 14.3 | 12.5 | 22.2 | |||||
| 03 | Acacia tortilis subsp. raddiana (Savi) Brenan | 14.3 | 36.4 | 38.5 | 20.0 | 44.4 | |||
| 04 | Aerva javanica (Burm.f.) Juss. | 7.7 | 11.1 | ||||||
| 05 | Aizoon canariense L. | 7.7 | 12.5 | 22.2 | |||||
| 06 | Alternanthera sessilis (L.) DC. | 2.5 | 11.1 | ||||||
| 07 | Amaranthus lividus L. | 2.5 | 11.1 | ||||||
| 08 | Anagallis arvensis L. | 2.5 | 11.1 | ||||||
| 09 | Andrachne aspera Spreng. | 18.2 | 7.7 | 22.2 | |||||
| 10 | Anthemis melampodina subsp. deserti (Boiss.) Eig. | 28.6 | 10.0 | 7.7 | 20.0 | 44.4 | |||
| 11 | Artemisia judaica L. | 42.9 | 38.5 | 22.2 | |||||
| 12 | Artemisia monosperma Delile | 40.0 | 11.1 | ||||||
| 13 | Asclepias fruticosa L. | 18.2 | 7.7 | 22.2 | |||||
| 14 | Asphodelous fiscidulus Boiss. | 15.4 | 11.1 | ||||||
| 15 | Astragalus sieberi DC. | 7.7 | 11.1 | ||||||
| 16 | Astragalus spinosus (Forssk.) Muschl. | 45.5 | 23.8 | 22.2 | |||||
| 17 | Avena barbata Pott | 7.7 | 20.0 | 22.2 | |||||
| 18 | Avena fatua L. | 2.5 | 11.1 | ||||||
| 19 | Bassia eriophora (Schrad.) Asch. | 7.7 | 2.5 | 22.2 | |||||
| 20 | Bassia muricata (L.) Asch. | 15.4 | 11.1 | ||||||
| 21 | Blepharis ciliaris (L.) B.L. Burtt. | 36.4 | 12.5 | 22.2 | |||||
| 22 | Boerhavia diffusa L. | 15.0 | 11.1 | ||||||
| 23 | Brassica tournefortii Gouan | 12.5 | 2.5 | 22.2 | |||||
| 24 | Calendula arvensis L. | 7.7 | 12.5 | 22.2 | |||||
| 25 | Calligonum polygonoides L. | 23.8 | 80.0 | 22.2 | |||||
| 26 | Capsella bursa-pastoris (L.) Medik. | 2.5 | 11.1 | ||||||
| 27 | Cenchrus ciliaris L. | 2.5 | 11.1 | ||||||
| 28 | Chenopodium murale L. | 5.0 | 11.1 | ||||||
| 29 | Citrulus colocynthis (L.) Schrad. | 18.2 | 46.2 | 20.0 | 33.3 | ||||
| 30 | Cleome amblyocarpa Barratte | 33.8 | 11.1 | ||||||
| 31 | Convolvulus arvensis L. | 2.5 | 11.1 | ||||||
| 32 | Conyza bonariensis (L.) Cronquist. | 14.3 | 11.1 | ||||||
| 33 | Cynodon dactylon (L.) Pers. | 10.0 | 15.4 | 2.5 | 33.3 | ||||
| 34 | Datura innoxia Mill. | 7.7 | 0.5 | 22.2 | |||||
| 35 | Dichanthium annulatum (Forssk.) Stapf. | 27.3 | 7.7 | 22.2 | |||||
| 36 | Diplotaxis acris (Forssk.) Boiss. | 10.0 | 11.1 | ||||||
| 37 | Diplotaxis harra (Forssk.) Boiss. | 23.8 | 20.0 | 22.2 | |||||
| 38 | Echinops spinosus L. | 10.0 | 60.0 | 22.2 | |||||
| 39 | Ephedra alata Decne. | 50.0 | 11.1 | ||||||
| 40 | Eragrostis cilianensis (All.) F.T. Hubb. | 0.5 | 11.1 | ||||||
| 41 | Erodium cicutarium (L.) L’Her | 10.0 | 15.4 | 20.0 | 1.0 | 44.4 | |||
| 42 | Erodium glaucophyllum (L.) L’Her | 3.8 | 11.1 | ||||||
| 43 | Erodium laciniatum (Cav.) Willd. | 37.5 | 0.5 | 22.2 | |||||
| 44 | Eruca sativa Mill. | 0.5 | 11.1 | ||||||
| 45 | Euphorbia granulata Forssk. | 37.5 | 11.1 | ||||||
| 46 | Euphorbia peplus L. | 100 | 11.1 | ||||||
| 47 | Euphorbia retusa Forssk. | 28.6 | 10.0 | 22.2 | |||||
| 48 | Fagonia bruguieri DC. | 14.3 | 100 | 22.2 | |||||
| 49 | Fagonia cretica L. | 18.2 | 12.5 | 22.2 | |||||
| 50 | Farsetia aegyptia Turra | 7.7 | 72.7 | 37.5 | 0.5 | 44.4 | |||
| 51 | Ficus palmata Forssk. | 100 | 11.1 | ||||||
| 52 | Flaveria trinervia (Spreng.) Mohr | 37.5 | 11.1 | ||||||
| 53 | Forsskaolea tenacissima L. | 38.5 | 2.5 | 22.2 | |||||
| 54 | Gymnocarpos decandrus Forssk. | 53.8 | 11.1 | ||||||
| 55 | Gypsophila capillaris (Forssk.) C. Chr. | 38.5 | 11.1 | ||||||
| 56 | Halyxolon salicornicum (Moq.) Bunge | 46.2 | 80.0 | 22.2 | |||||
| 57 | Helianthemum lippii (L.) Dum. Cours | 18.2 | 0.5 | 22.2 | |||||
| 58 | Heliotropium arbainense Frense. | 15.4 | 11.1 | ||||||
| 59 | Heliotropium bacciferum Forssk. | 15.4 | 11.1 | ||||||
| 60 | Heliotropium ramosissimum (Lehm.) Sieb. | 3.8 | 63.6 | 12.5 | 33.3 | ||||
| 61 | Hordeum murinum spp. leporinum (Link) Arcang. | 37.5 | 11.1 | ||||||
| 62 | Iflago spicata (Forssk.) Sch.Bip. | 0.5 | 11.1 | ||||||
| 63 | Imperata cylindrica (L.) Raeusch. | 1.0 | 11.1 | ||||||
| 64 | Koelpinia linearis Pall. | 27.3 | 15.4 | 22.2 | |||||
| 65 | Lactuca serriola L. | 0.5 | 11.1 | ||||||
| 66 | Launaea mucronata (Forssk.) Muschl. | 85.7 | 27.3 | 38.5 | 2.5 | 44.4 | |||
| 67 | Launaea nudicaulis (L.) Hook. F. | 38.6 | 22.2 | ||||||
| 68 | Lavandula coronopifolia Poir. | 27.3 | 11.1 | ||||||
| 69 | Lolium perenne L. | 37.5 | 11.1 | ||||||
| 70 | Lycium shawii Roem. and Schult. | 14.3 | 27.3 | 7.7 | 33.3 | ||||
| 71 | Malva parviFlora L. | 27.3 | 46.2 | 4.0 | 33.3 | ||||
| 72 | Mentha longifolia (L.) Huds. | 33.3 | 11.1 | ||||||
| 73 | Mesembryanthemum forsskaolii Hochst. | 28.6 | 10.0 | 12.5 | 33.3 | ||||
| 74 | Moltkiopsis ciliata (Forssk.) I. M. Johnst. | 27.3 | 11.1 | ||||||
| 75 | Morettia philaeana (Delile) DC. | 38.5 | 5.0 | 33.3 | 33.3 | ||||
| 76 | Nauplius graveolens (Forssk.) Wiklund | 23.8 | 11.1 | ||||||
| 77 | Nitraria retusa (Forssk.) Asch. | 33.3 | 11.1 | ||||||
| 78 | Ochradenus baccatus Delile | 27.3 | 46.2 | 22.2 | |||||
| 79 | Oligomeris linifolia (Vahl) J.F. Macbr. | 37.5 | 11.1 | ||||||
| 80 | Parietaria alsinifolia Delile | 15.4 | 11.1 | ||||||
| 81 | Paronychia arabica (L.) DC. | 23.8 | 37.5 | 33.3 | 33.3 | ||||
| 82 | Paronychia desortorium Boiss. | 18.2 | 11.1 | ||||||
| 83 | Pennisetum divisum (J.F. Gmel.) Henrard | 42.9 | 7.7 | 22.2 | |||||
| 84 | Pergularia tomentusa L. | 14.3 | 11.1 | ||||||
| 85 | Phoenix dactylifera L. | 1.0 | 12.5 | 22.2 | |||||
| 86 | Phragmites australis (Cav.) Trin.ex Steud | 75.0 | 11.1 | ||||||
| 87 | Plantago albicans L. | 10.0 | 37.5 | 22.2 | |||||
| 88 | Plantago crypsoides Boiss. | 10.0 | 11.1 | ||||||
| 89 | Plantago ovata Forssk. | 40.0 | 11.1 | ||||||
| 90 | Polygonum equisetiforme Sm. | 2.5 | 33.8 | 22.2 | |||||
| 91 | Polypogon monspeliensis (L.) Desf. | 37.5 | 11.1 | ||||||
| 92 | Portulaca oleracea L. | 37.5 | 11.1 | ||||||
| 93 | Pulicaria undulata (L.) C.A. Mey. | 45.5 | 15.4 | 22.2 | |||||
| 94 | Reichardia tingitana (L.) Roth | 14.3 | 11.1 | ||||||
| 95 | Reseda pruinosa Delile | 23.8 | 11.1 | ||||||
| 96 | Rhantarum epaposum Olive | 42.9 | 45.5 | 15.4 | 33.3 | ||||
| 97 | Rhus tripartita (Ucria) Grande | 15.4 | 25.0 | 22.2 | |||||
| 98 | Rumex vesicarius L. | 27.3 | 75.0 | 33.3 | 33.3 | ||||
| 99 | Salsola imbricata subsp. gaetula (Maire) Boulus | 7.7 | 2.5 | 22.2 | |||||
| 100 | Savignya parvilora (Delile) Webb | 36.4 | 11.1 | ||||||
| 101 | Schismus barbatus (L.) Thell. | 28.6 | 11.1 | ||||||
| 102 | Senecio flavus (Decne.) Sch.Bip. | 2.5 | 11.1 | ||||||
| 103 | Senecio glaucus subsp. coronopifolius (Maire) C. Alexander | 10.0 | 35.8 | 22.2 | |||||
| 104 | Senna italica Mill. | 7.7 | 11.1 | ||||||
| 105 | Setaria verticillata (L.) P.Beauv. | 37.5 | 11.1 | ||||||
| 106 | Setaria viridis (L.) P.Beauv. | 37.5 | 11.1 | ||||||
| 107 | Silene linearis Decne. | 12.5 | 11.1 | ||||||
| 108 | Silene villosa Forssk. | 33.3 | 11.1 | ||||||
| 109 | Sisymbrium irio L. | 12.5 | 100 | 22.2 | |||||
| 110 | Solanum nigrum L. | 2.5 | 11.1 | ||||||
| 111 | Sonchus oleraceous L. | 2.5 | 11.1 | ||||||
| 112 | Spergularia diandra (Guss.) Boiss. | 12.5 | 11.1 | ||||||
| 113 | Stipa capensis Thunb. | 42.9 | 10.0 | 22.2 | |||||
| 114 | Tamarix nilotica (Ehrenb.) Bunge | 1.0 | 11.1 | ||||||
| 115 | Telephium sphaerospermum Boiss. | 33.3 | 11.1 | ||||||
| 116 | Themedia triandra Forssk. | 7.7 | 40.0 | 22.2 | |||||
| 117 | Tribulus terrestris L. | 7.7 | 11.1 | ||||||
| 118 | Trichodesma africanum (L.) R. Br. | 23.8 | 12.5 | 22.2 | |||||
| 119 | Trigonella stellata Forssk. | 57.1 | 15.4 | 22.2 | |||||
| 120 | Tripleurospermum auriculatum (Boiss.) Rech.f. | 10.0 | 11.1 | ||||||
| 121 | Withania somnifera (L.) Dunal | 2.5 | 11.1 | ||||||
| 122 | Zilla spinosa (L.) Prantl | 10.0 | 3.8 | 22.2 | |||||
| 123 | Ziziphus spina-christi (L.) Desf. | 18.2 | 11.1 | ||||||
| 124 | Zygophyllum simplex L. | 25.0 | 16.7 | 22.2 |