• July - September
    Vol 98 No 3 (2020)

    Cover: Echinocereus stramineus  (Cactaceae). Author: Berenit Mendoza Garfias.

  • May - June
    Vol 98 No 2 (2020)

    Cover: Portulaca teretifoloa(Portulacaceae) photo: Jose? Luis Go?mez

  • January - March
    Vol 98 No 1 (2020)
  • October -December (75th Anniversary)
    Vol 97 No 4 (2019)

    On the cover: From top to bottom, from left to right: Population of Dioon angustifolium Quercus sp. forest by María Magdalena Salinas-Rodriguez, Petrea volubilis by Arturo de Nova, Cactophagus spinolae on Stenocereus pruinosus by David Bravo-Avilez, Cosmoms palmeri by Hariberto Ávila-González, Manfreda singuliflora by Hariberto Ávila-González and general view of the Tacaná volcano, Mexico by Derio Antonio Jiménez-López

  • July - September (75th Anniversary)
    Vol 97 No 3 (2019)

    From top to bottom, from left to right: Anulocaulis hintoniorum by: George Hinton, Lithospermum hintoniorum by: George Hinton, Amaranthus palmeri with Apis melifera by: Alfredo Dorantes Euan, Fouquieria splendens by: Hugo Manuel Monreal García, Thebroma cacao by: Juana García -Flowers, Boletellus ananas by: Silvia Cappello and Carlos Ernesto González Chicas

  • April -June (75th Anniversary)
    Vol 97 No 2 (2019)
    Cover: From top to bottom, from left to right: Ageratina grandifolia by: Óscar Hinojosa Espinosa; association Borrichio-Rachicalletum americanae in coastal dunes of Cozumel by: Cruz López Contreras; Castilleja tenuiflora by: Gabriela Trejo Tapia; Borrichia arborescens (L.) DC. by: Cruz López Contreras; Washingtonia robusta by: Lucila Armenta-Méndez; cross section of base with vascular bundles of Echeveria aff. gigantea by: Esther Sandoval Zapotitla.
  • January - March (75th Anniversary)
    Vol 97 No 1 (2019)
    Cover: From top to bottom, from left to rigth: Magnolia perezferrerae, Borago longifolia, Calophyllum brasiliense, Gliricidia maculate, Gymnopodium floribundum and Coccoloba barbadensis.
  • October - December
    Vol 96 No 4 (2018)

    Cover: From top to bottom, from left to right: Dry capsules and seeds of Agave potatorum, Agave potatorum, Sesbania virgate flowers and Amaranthus hypochondriacus.

    Authors photographs: Yolanda D. Ortiz-Herna?ndez (Agave potatorum), Fernando Tapia Pastrana (Sesbania virgate) and Iva?n Pa?vel Moreno-Espi?ndola (Amaranthus hypochondriacus).

    Composition: Alfredo Quiroz Arana

  • July - September
    Vol 96 No 3 (2018)

    Cover: Authors photographs: Sergio Avendan?o Reyes (Lithachne pauciflora), Teresa Mejia (Olmeca reflexa), Sergio Avendan?o Reyes (Pseudechinolaena polystachya), Israel Castillo Jua?rez (Ceiba aesculifolia), Ana Rosa López Ferrari (Hechtia matudae) and Adolfo Espejo-Serna (Pitcairnia heterophylla).

    Composition: Alfredo Quiroz Arana

  • April - June
    Vol 96 No 2 (2018)

    Cover: From top to bottom, from left to right: Epidendrum greenwoodiiPinguicula olmecaArgemone platycerasPinguicula olmecaHebeloma alpinum with Pinus pringlei and Dichaea neglecta.

    Authors photographs: Eloy Solano (Epidendrum greenwoodii), Carlos Burelo (Pinguicula olmeca), Kasey E. Barton (Argemone platyceras), Jesús Pérez-Moreno (Hebeloma alpinum with Pinus pringlei) and Mónica Pérez-Nicolás (Dichaea neglecta).

    Composition: Alfredo Quiroz Arana

  • January - March
    Vol 96 No 1 (2018)

    Cover: Habit and disposition of trichomes of Nostoc parmelioides.

    Author: MSc Rogelio Rodríguez Flores.

  • October - December
    Vol 95 No 4 (2017)
  • July - September
    Vol 95 No 3 (2017)
  • April -June
    Vol 95 No 2 (2017)
  • January - March
    Vol 95 No 1 (2017)
  • October - December
    Vol 94 No 4 (2016)
  • July - September
    Vol 94 No 3 (2016)
  • Abril - Junio
    Vol 94 No 2 (2016)
  • January - March
    Vol 94 No 1 (2016)
  • October - December
    Vol 93 No 4 (2015)
  • July - September
    Vol 93 No 3 (2015)
  • April - June
    Vol 93 No 2 (2015)
  • January - March
    Vol 93 No 1 (2015)
  • October - December
    Vol 92 No 4 (2014)
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