Nolasco, H., F. Vega-Villasante, and A. Díaz-Rondero. 1997. Seed germination of Stenocereus thurberi (Cactaceae) under different solar irradiation levels. Journal of Arid Environments 36: 123-132.

Noy-Meir, I. 1973. Desert ecosystems: environment and producers. Annual Review of Ecology and Systematics 5: 25-51.

Olin, G., S. M. Alcorn, and J. M. Alcorn. 1989. Dispersal of viable saguaro seeds by white-winged doves (Zenaida asiatica). The Southwestern Naturalist 34: 282-284.

Osorio, B. O., A. Valiente-Banuet, P. Dávila, and R. Medina. I996. Tipos de vegetación y diversidad ß en el Valle de Zapotitlán de las Salinas, Puebla, México. Boletín de la Sociedad Botánica de México 59: 35-58.

Parfitt, B. D. I985. Dioecy in North American Cactaceae: A review. Sida ii: 200-206.

Parker, K. C. I987. Site-related demographic patterns of organ pipe cactus populations in southern Arizona. Bulletin of the Torrey Botanical Club 114: 149-155.

Parker, K. C. I989. Height structure and reproductive characteristics of senita, Lophocereusschottii (Cactaceae), in southern Arizona. The Southwestern Naturalist 34:

Was this article helpful?

0 0
Building Your Own Greenhouse

Building Your Own Greenhouse

You Might Just End Up Spending More Time In Planning Your Greenhouse Than Your Home Don’t Blame Us If Your Wife Gets Mad. Don't Be A Conventional Greenhouse Dreamer! Come Out Of The Mould, Build Your Own And Let Your Greenhouse Give A Better Yield Than Any Other In Town! Discover How You Can Start Your Own Greenhouse With Healthier Plants… Anytime Of The Year!

Get My Free Ebook

Post a comment