Lawlor DW, (2002). Limitation to Photosynthesis in Water‐stressed Leaves: Stomata vs. Metabolism and the Role of ATP. Annals of Botany 89:871-885.
Crossref

Abdallah EM., Elsharkawy ER, Ed-dra A (2016). Biological activities of methanolic leaf extract of Ziziphus mauritiana. Bioscience Biotechnology Research Communications 9(4):605-614.

Adams RP (1995). Identification of essential oil components by gas chromatography/mass spectrometry. 5 online ed. Texensis Publishing.

Brant RS, Pinto, JP, Bertolucci SV, Albuquerque CB, (2008). Essential oil content of Aloysia triphylla (L'Her.) Britton in function of seasonal variation. Revista Brasileira de Plantas Medicinais 10:83-88.

Canadanovic-Brunet JM, Djilas SM, Cetkovic GS (2005). Free-radical scaveng-ing activity of wormwood (Artemisia absinthium) extracts. Journal of the Science of Food and Agriculture 85:265-72.
Crossref

Castelo AM, Del Menezzi CS, Resck IS (2012). Seasonal Variation in the Yield and the Chemical Composition of Essential Oils from Two Brazilian Native Arbustive Species. Journal of Applied Sciences 12:753-760.
Crossref

Cavalieri E, Mariotto S, Fabrizi C (2004). Alpha-bisabolol, a nontoxic natural compound, strongly induces apoptosis in glioma cells. Biochemical and biophysical research communications 315:589-594.
Crossref

Costa LB, Pinto José EP, Evaristo MC (2010) Yield and Composition of the Essential Oil of Ocimum selloi Benth. Cultivated Under Colored Netting. Journal of Essential Oil Research 22:34-39.
Crossref

El Zalabani SM, Tadros SH, El Sayed AM, Daboub AA, AmenSleem A (2017). Chemical Profile and Biological Activities of Essential oil of Aerial parts of Artemisia monosperma Del. Growing in Libya. Pharmacognosy Journal 9(4):577-586.
Crossref

Elsharkawy ER, Elshathely MR, Abdel Jaleel G, Al-Johar HI (2013). Anti-inflammatory effects of medicinal plants mixture used by Bedouin people in Saudi Arabia. Herba Polonica 59(3):67-87.
Crossref

El-Shazly A, Dorai G, Wink M (2002). Chemical composition and biological activity of the essential oils of Senecio aegyptius var. discoideus Boiss. Zeitschrift fuer Naturforschung C. 57:434-439.
Crossref

Hazzoumi Z, Moustakime Y, Amerani Joutei K (2015). Variation in Yield and Composition of Essential Oil in Pelargonium sp During the Vegetative Stage, International Conference on Chemical, Environmental and Biological Sciences (CEBS-2015) March 18-19, 2015 Dubai (UAE).

McGimpse YA, Douglas MH, van Klink JW, Beauregard DA, Perry NB (1994). Seasonal variation in essential oil yield and composition from naturalized Thymus vulgaris L. in New Zealand. Flavour and Fragrance Journal 9:347-352.
Crossref

Merfort I, Heilmann J, Hagedorn-Leweke U, Lippold BC (1994). In vivo skin penetration studies of camomile flavones. Die Pharmazie 49:509-511.

Mohammadi A, Ahmadzadeh Sani T, Ameri AA, Imani M, Golmakani E, Kamali H (2015). Seasonal variation in the chemical composition, antioxidant activity, and total phenolic content of Artemisia absinthium essential oils. Pharmacognosy research 7(4):329-334.
Crossref

Monier MG, Kadry NA (2006). The Floristic Diversity and Phytogeography of the Gebel Elba National Park, South-East Egypt. Turkish Journal of Botany 30:121-136.

Mozaffari FS, Ghorbanli M, Babal A, (2000) The effect of water stress on the seed oil of Nigella sativa L. Journal of Essential Oil Research 12:33-35.
Crossref

Nemeth E, Bernath J (2008). Biological activities of yarrow species (Achillea spp.) Current Pharmaceutical Design 14:3151-3167.
Crossref

Prakash V, Bisht H (2011). Prasad P. Altitudinal variation in morpho-physiological attributes in Plantago major: selection of suitable cultivation site. Research Journal of Medicinal Plant 5:302-311.
Crossref

Scherer LM, (2007). Effect of season and vegetal hormones on the in vitro multiplication and yield of essential oil. M.Sc. Thesis, Western State University of Parana, Marechal Candido Rondon, Brazil.

Voirin B, Brun N, Bayet C (1990) Effects of day length on the monoterpene composition of leaves of Mentha x piperita. Phytochemistry 29:74S-755.
Crossref