| Table of contents Polibotánica n.50 México Jul. 2020 Scientific articles | | | | · The oregano of the genus Lippia (Verbenaceae) and Poliomintha (Lamiaceae) in the State of Nuevo león, Mexico Díaz-De León, C.I.; González-Álvarez, M.; Guzmán-Lucio, M.A.; Núñez-Guzmán, G.R.; Moreno-Limón, S.
| | | | · Effects of forest management on composition and diversity of natural tree regeneration in forests of the Sierra Madre Occidental Luna Robles, E.O.; Cantú Silva, I.; Yáñez Díaz, M.I.
| | | | · Frequency and genetic variability of Fusarium oxysporum mating types Valadez-Moctezuma, E.; Samah, S.; Frausto-Romo, M.
| | | | · Characterization of seeds and plant development of Oenothera rosea L'Her. ex Ait in greenhouse Romero-Sánchez, I.; Peña-Valdivia, C. B.; García-Esteva, A.; Aguilar-Benítez, G.
| | | | · Hygroscopic equilibrium in forest seeds of arid zone and its effect on physiological quality Antonio-Bautista, A.; Vázquez-Badillo, M.E.; Reyes-Valdés, M.H.; Flores-López, C.; Cruz-Gutiérrez, E.J.; González-Uribe, D.U.
| | | | · Effect of temperature and storage time on the concentration of some phytohormones and germination of piquin chili pepper seeds Capsicum annuum var. glabriusculum (Dunal) Heiser & Pickersgill López-Valdez, A.P.; Alvarado-Vázquez, M.A.; Díaz-Jiménez, L.; Rocha-Estrada, A.
| | | | · Growth of Limnobium laevigatum (Hydrocharitaceae) under four different NO 3 -: NH 4 + proportions under laboratory conditions Campos-Cuellar, R.; Aponte, H.
| | | | · Substrates and doses of fertirrigation in the accumulation of total sugars and growth of Agave salmiana (Asparagaceae) Arrazola-Cárdenas, L.; García-Nava, J.R.; Robledo-Paz, A.; Ybarra-Moncada, M.C.; Muratalla-Lúa, A.
| | | | · Weeds in a soil cultivated with sugar cane with mineral fertilization and green manure Naranjo Landero, S.; Obrador Olán, J. J.; García López, E.; Valdez Balero, A.; Domínguez Rodríguez, V. I.
| | | | · Chemical profiling of the urticating trichomes from Cnidoscolus multilobus (“mala mujer”) and their antimicrobial activity Pacheco-Hernández, Y.; Villa-Ruano, N.; Rubio-Rosas, E.; Vásquez-Lara, I.
| | | | · Melisopalynological analysis of honey samples produced by Apis mellifera L. in the central area of Veracruz, Mexico Granados-Argüello, R.I.; Villanueva-Gutiérrez, R.; Martínez-Hernández, E.; García-Mayoral, L.E.; González de la Torre, J.E.
| | | | · Geographic distribution of species of Euphorbia sect. Poinsettia with potential ornamental use in Mexico Pérez-Nicolás, M. L.; Colinas-León, M.T.; Gómez-Alanis, M.C.; Flores-Espinosa, C.; Alia-Tejacal, I.; Peña-Ortega, M.G.
| | | | · Local botanical knowledge of farmers of the semiarid of Paraíba State, Northeast of Brazil Barbosa, E. U. G.; Carvalho, T.K.N.; Ferreira, E. C.; Santos, S. S.; Lucena, R. F. P.
| | | | · Medicinal plants sold in the 8 july market and a traditional market, both located in the center of Actopan, Hidalgo, Mexico Villanueva-Solis, I.; Arreguín-Sánchez, M. L.; Quiroz-García, D. L.; Fernández-Nava, R.
| | | | · Edible ethnoflora of the southern tepehuans of Durango, Mexico Narváez-Elizondo, R. E.; González-Elizondo, M.; González-Elizondo, M. S.; Tena-Flores, J. A.; Castro-Castro, A.
| | | | · The role of the milpa in food and nutritional security in households of Ocotal Texizapan, Veracruz, Mexico Leyva-Trinidad, D.A.; Pérez-Vázquez, A.; Bezerra da Costa, I.; Formighieri Giordani, R.C.
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