Table 5 Plant species composition and their frequency in the spent crude oil-polluted soil within Benin metropolis
From: Hazard quotient, microbial diversity, and plant composition of spent crude oil-polluted soil
Acanthospermum hispidum | Achyranthes aspera | Acroceras zizanioides | Ageratum conyzoides | Alternanthera repens | Andropogon tectorum | Axonopus compressus | Cyperus esculentus | Cyperus rotundus | Echinochloa obtusifolia | Eleusine indica | Euphorbia hyssopifolia | Kyllinga erecta | Leptochloa caerulescens | Mariscus alternifolius | Oldenlandia herbacea | Panicum maximum | Paspalum scrobiculatum | Peperomia pellucida | Phyllanthus amarus | Sida acuta | Tridax precumbens | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Soil around generator plant | ||||||||||||||||||||||
Egor GN | +++ | + | + | + | + | − | + | +++ | + | + | +++ | − | + | + | + | + | + | +++ | + | + | + | − |
Ikpoba GN | ++ | ++ | − | + | − | − | − | + | + | + | ++ | − | +++ | + | + | − | − | ++ | − | − | + | + |
Oredo GN | − | + | + | + | ++ | − | + | − | − | − | +++ | + | + | − | + | + | + | + | + | + | + | − |
Ovia GN | + | + | + | + | +++ | − | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + |
Soil within auto mechanic workshop | ||||||||||||||||||||||
Egor MW | + | + | − | + | + | − | + | + | + | + | + | − | − | + | + | + | + | + | − | + | + | − |
Ikpoba MW | − | − | − | + | ++ | − | − | + | − | + | +++ | − | − | + | + | + | + | + | − | + | − | + |
Oredo MW | − | − | − | + | + | − | − | + | − | + | + | − | + | + | + | + | + | + | − | + | + | + |
Ovia MW | − | + | + | + | + | − | + | + | − | + | ++ | − | − | + | + | + | + | ++ | + | + | + | + |
Soil within auto spare parts stores | ||||||||||||||||||||||
Egor SP | − | − | + | + | − | + | − | ++ | + | + | + | − | − | − | + | + | + | − | − | + | + | − |
Ikpoba SP | − | − | ++ | + | − | + | − | ++ | + | + | + | − | + | − | + | + | + | + | − | + | + | − |
Oredo SP | − | − | − | + | + | − | ++ | + | + | + | + | − | − | − | + | + | + | − | + | + | + | − |
Ovia SP | + | − | + | + | − | − | + | + | + | + | + | − | + | + | + | + | + | + | + | + | + | + |
Soil around bakery | ||||||||||||||||||||||
Egor BK | − | + | ++ | + | − | − | + | + | + | + | + | + | + | − | + | + | + | + | + | + | + | − |
Ikpoba BK | − | − | + | − | − | − | − | − | + | + | + | ++ | + | − | + | + | + | ++ | + | + | + | − |
Oredo BK | − | − | + | − | + | − | − | + | + | + | + | − | + | − | + | + | + | + | − | + | − | + |
Ovia BK | − | + | + | + | + | − | − | + | + | + | + | − | + | + | + | + | + | + | − | + | + | + |