Table 1.
A list of the species recorded in the study area with their families, life form and mean cover values in the four vegetation groups resulted from TWINSPAN classification. Th, therophytes; H, hemicryptophytes; G, geophytes; Ch, chamaephytes; Ph, phanerophytes; +, present; −, absent.
| Species | Family | Life form | Vegetation group |
|||
|---|---|---|---|---|---|---|
| A | B | C | D | |||
| Alhagi graecorum Boiss. | Fabaceae | H | – | 0.2 | 0.4 | – |
| Amaranthus graecizans L. | Amaranthaceae | Th | – | – | 0.2 | 0.5 |
| Amaranthus lividus L. | Amaranthaceae | Th | – | – | 0.2 | 0.3 |
| Anagallis arvensis L. | Primulaceae | Th | 0.5 | 0.3 | – | – |
| Avena fatua L. | Poaceae | Th | – | 0.2 | – | – |
| Brachiaria reptans (L.) C.A. Gardner and C.E. Hubb. | Poaceae | Th | – | – | 0.1 | 1.8 |
| Brassica tournefortii Gouan | Brassicaceae | Th | 0.1 | – | – | – |
| Cenchrus biflorus Roxb. | Poaceae | Th | – | – | 0.7 | 0.4 |
| Chenopodium album L. | Chenopodiaceae | Th | – | 0.3 | – | – |
| Chenopodium murale L. | Chenopodiaceae | Th | 12.1 | 0.2 | – | – |
| Cichorium endivia L. | Asteraceae | Th | 0.1 | 0.1 | – | – |
| Citrullus colocynthis (L.) Schrad. | Cucurbitaceae | H | – | 0.1 | – | – |
| Convolvulus arvensis L. | Convolvulaceae | G | 1.0 | 5.7 | 4.7 | 1.4 |
| Conyza bonariensis (L.) Cronquist. | Asteraceae | Th | – | – | 6.4 | – |
| Corchorus olitorius L. | Tiliaceae | Th | – | – | 0.2 | 0.1 |
| Cynodon dactylon (L.) Pers. | Poaceae | G | 0.1 | 4.7 | 15.7 | 1.0 |
| Cyperus rotundus L. | Cyperaceae | G | – | 0.3 | 0.7 | 0.1 |
| Dactyloctenium aegyptium (L.) Willd. | Poaceae | Th | – | – | 2.7 | 1.6 |
| Datura stramonium L. | Solanaceae | Th | – | – | 0.1 | – |
| Desmostachya bipinnata (L.) Stapf | Poaceae | H | – | – | 0.1 | – |
| Dichanthium annulatum (Forssk.) Stapf | Poaceae | H | – | – | 0.1 | – |
| Digitaria sanguinalis (L.) Scop. | Poaceae | Th | – | – | 1.6 | 1.5 |
| Echinochloa colona (L.) Link. | Poaceae | Th | – | – | 0.4 | 10.9 |
| Emex spinosa (L.) Campd. | Polygonaceae | Th | 4.2 | 0.2 | – | – |
| Eragrostis cilianensis (All.) F. T. Hubb. | Poaceae | Th | – | – | 6.3 | 3.8 |
| Erodium malacoides (L.) L’Her. | Geraniaceae | Th | 0.1 | – | – | – |
| Euphorbia helioscopia L. | Euphorbiaceae | Th | – | 0.2 | – | – |
| Euphorbia peplus L. | Euphorbiaceae | Th | – | 1.8 | – | – |
| Halocnemum strobilaceum (Pall.) M. Bieb | Chenopodiaceae | Ch | – | – | 0.1 | – |
| Haloxylon salicornicum (Moq.) Bunge ex Boiss. | Chenopodiaceae | Ch | – | – | 0.1 | – |
| Hibiscus trionum L. | Malvaceae | Th | – | – | 0.1 | 0.1 |
| Hyoscyamus muticus L. | Solanaceae | Ch | – | 0.1 | – | – |
| Imperata cylindrica (L.) Raeusch | Poaceae | H | – | 24.4 | 1.5 | – |
| Juncus rigidus Desf. | Juncaceae | H | – | 0.1 | – | – |
| Lactuca serriola L. | Asteraceae | Th | 1.8 | 0.1 | – | – |
| Launaea capitata (Spreng.) Dandy | Asteraceae | Th | 0.1 | – | – | – |
| Launaea nudicaulis (L.) Hook. F. | Asteraceae | H | 1.1 | 0.1 | – | – |
| Lolium temulentum L. | Poaceae | Th | 0.1 | – | – | – |
| Malva parviflora L. | Malvaceae | Th | 0.5 | 2.6 | – | – |
| Melilotus indicus (L.) All. | Fabaceae | Th | 6.8 | 1.3 | – | – |
| Panicum turgidum Forssk. | Poaceae | Ch | – | 0.1 | – | – |
| Paspalum distichum L. | Poaceae | H | – | – | 0.1 | – |
| Phalaris minor Retz. | Poaceae | Th | 0.1 | 0.2 | – | – |
| Phragmites australis (Cav.) Trin.ex Steud. | Poaceae | G | – | 1.5 | 3.6 | – |
| Plantago amplexicaulis Cav. | Plantaginaceae | Th | 0.1 | – | – | – |
| Plantago major L. | Plantaginaceae | Th | – | 0.1 | – | – |
| Plantago lagopus L. | Plantaginaceae | Th | – | 6.6 | – | – |
| Pluchea dioscoridis (L.) DC. | Asteraceae | Ph | – | – | 0.1 | – |
| Poa annua L. | Poaceae | Th | – | 0.2 | – | – |
| Polypogon monspeliensis (L.) Desf. | Poaceae | Th | – | 0.3 | – | – |
| Portulaca oleracea L. | Portulacaceae | Th | – | – | 0.4 | 5.8 |
| Pulicaria undulata (L.) C.A. Mey. | Asteraceae | Ch | – | 0.1 | – | – |
| Reichardia tingitana (L.) Roth. | Asteraceae | Th | 0.7 | – | – | – |
| Ricinus communis L. | Euphorbiaceae | Ph | – | 0.1 | – | – |
| Rumex dentatus L. | Polygonaceae | Th | 0.3 | 0.3 | – | – |
| Rumex vesicarius L. | Polygonaceae | Th | 0.1 | – | – | – |
| Schismus barbatus (L.) Thell. | Poaceae | Th | 0.2 | – | – | – |
| Setaria pumila (Poir.) Roem. and Schult. | Poaceae | Th | – | – | 2.2 | 0.1 |
| Setaria verticillata (L.) P. Beauv. | Poaceae | Th | – | – | 0.1 | 0.1 |
| Sisymbrium irio L. | Brassicaceae | Th | 0.3 | 0.2 | – | – |
| Solanum nigrum L. | Solanaceae | Th | – | 0.1 | 0.1 | – |
| Sonchus oleraceus L. | Asteraceae | Th | 1.5 | 1.2 | 0.1 | – |
| Spergularia marina (L.) Griseb. | Caryophyllaceae | Th | – | 0.1 | – | – |
| Tamarix nilotica (Ehrenb.) Bunge | Tamaricaceae | Ph | – | – | 0.5 | – |
| Trigonella hamosa L. | Fabaceae | Th | – | 0.2 | – | – |
| Trigonella stellata Forssk. | Fabaceae | Th | 0.1 | – | – | – |
| Vicia sativa L. | Fabaceae | Th | – | 0.1 | – | – |
| Withania somnifera (L.) Dunal. | Solanaceae | Ch | – | 0.1 | – | – |
| Zilla spinosa (L.) Prantl | Brassicaceae | Ch | – | 0.1 | – | – |
| Zygophyllum album L. F. | Zygophyllaceae | Ch | – | 0.1 | – | – |
| Zygophyllum coccineum L. | Zygophyllaceae | Ch | – | 0.1 | 0.1 | – |