[Taxacom] =?utf-8?q?POLIBOT=C3=81NICA_=2C_New_Number_26_=28Octobe?= =?utf-8?q?r_2008=29?=

[Rafael Fernandez Nava]

Dear Taxacomers:

You can consult the new number (26) of Polibot?nica (October 2008) in 
the next web pages:

                      http://redalyc.uaemex.mx/redalyc/src/inicio/HomRevRed.jsp?iCveEntRev=621

                                          http://www.herbario.encb.ipn.mx

With the next content:

Vascular plant species from ravines bordering Guadalajara and the Rio 
Blanco, Jalisco, Mexico
R. Acevedo-Rosas | M.M. Hern?ndez-Galaviz | M.J. Ch?zaro

Structure and floristic composition of the tropical medium 
subdeciduous forest of southern Yucatan, Mexico
     P.  Zamora-Crescencio | G. Garc?a-Gil | J.S. Flores-Guido | J.J. 
Ortiz

Palm (Orbignya guacuyule) vegetation of southern Nayarit, Mexico
      J.D. Tejero-D?ez | J.C. Ledesma-Corral | A.N. Torres-D?az

Biological cycles of Anemia muenchii Christ (Schizaceae-Pteridophyta) 
and Pityrogramma calomelanos (L.) Link (Adiantaceae-Pteridophyta)
      A.M. Escamilla-Aquino | M.L. Arregu?n-S?nchez | R. 
Fern?ndez-Nava

Self-incompatibility and protandry in naturalized populations of Aloe 
vera from the Araya Peninsula, Venezuela
      J. Imery-Buiza | H. Cequea-Ru?z

Relation between anatomical features of the petiole of Crotalaria 
juncea L. (Fabaceae) and nyctinastic movement
      M. Ferrarotto | D. J?uregui

Cytotoxicity in hela cells from extracts of three medicinal plants 
species from Hidalgo, Mexico
      M.A. Villavicencio-Nieto | B.E. P?rez-Escand?n | E. 
Mendoza-P?rez | V. Maldonado-Lagunas

Evaluation of two biochemical parameters in three aquatic macrophytes 
exposed to copper
       N.I. Armend?riz-S?enz | M.T. Aquino-Terrazas | L. Romero-Ortiz 
| M.L. S?nchez-Villavicencio | A.S. Sobrino-Figueroa | M.G. 
Miranda-Arce

Melisopalynological determination of the floral resources used by Apis 
mellifera L. (Hymenoptera: Apidae) in Morelos, Mexico
       D.L. Quiroz-Garc?a | M.L. Arregu?n-S?nchez

Ethnobotanical study of epiphytic bromeliads in Santa Catarina 
Ixtepeji community, Oaxaca, Mexico
       D. Mondrag?n | D.M. Villa-Guzm?n

Vegetal resources useful in ten communities of the Sierra Madre del 
Sur, Oaxaca, Mexico
       A.L. Luna-Jos? | B. Rend?n-Aguilar