Bol. Soc. Bot. Méx

Table of contents
Bol. Soc. Bot. Méx n.82 México Jun. 2008

Ecology

	· Analysis of plant richness and conservation value of the three areas added to the Pedregal de San Ángel Ecological Reserve, Federal District (Mexico) Cano-Santana, Zenón; Castillo-Argüero, Silvia; Martínez-Orea, Yuriana; Juárez-Orozco, Sonia · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

Systematic and floristic

	· *A new species of Tillandsia* (Bromeliaceae) from Guerrero, Mexico** Flores-Cruz, María; Diego-Escobar, María Valentina · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Floristic inventory of Mt. El Cebú and adjacent zones in the El Triunfo Biosphere Reserve (Polygono V), Chiapas, Mexico Martínez-Meléndez, Jorge; Pérez-Farrera, Miguel Ángel; Farrera-Sarmiento, Oscar · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Diversity, distribution and conservation of the Pleurothallidinae (Orchidaceae) from Oaxaca Solano-Gómez, Rodolfo; Alonso-Hernández, Nancy; Rosado-Ferrer, Karina; Aguilar-Hernández, Mariana de Alba; García, Rufina · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

Physiology

	· Mechanisms of plant tolerance to potentially toxic elements González-Mendoza, Daniel; Zapata-Pérez, Omar · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

Botanical notes

	· *Note on the occurrence of Hypochaeris radicata* L. (Asteraceae: Lactuceae) in the flora of the Federal District, Mexico** Hinojosa-Espinosa, Oscar; Cruz-Durán, Ramiro · text in Spanish · Spanish ( pdf )

	· *First record of Deiregyne confusa* (Orchidaceae: Spiranthinae) for Jalisco, Mexico** Peinado-Arellanes, Jesús Manuel; Riojas-López, Mónica Elizabeth · text in Spanish · Spanish ( pdf )