Next Meeting:

Cacti of Peru:
Land of the Incas

By Guillermo Rivera
Tuesday, October 18, 7:00 pm

Location: Auditorium in the San Francisco County Fair Building, 1199 9th Ave (at Lincoln Way), San Francisco MAP

The talk will cover a voyage through the whole country of Peru: from the dry, deciduous forest in the North around the cities of Chiclayo and Jaen, to the lower slopes of the Andres and into the Amazon region. We will explore the habitats around Huaraz, a beautiful town nestled in the valley between the Cordillera Blanca and Cordillera Negra. In the end we will cross the Andes once again heading towards the Sacred Valley of the Incas to finish our voyage in Machu Picchu. We will see amazing Matucanas in flower, high elevation Oroyas, spectacular Neoraimondias and the most incredible bromeliad Puya raimondii growing at 4400 meters, with its inflorescence of over 20 feet!

Guillermo Rivera was born in Argentina and has a company named South America Nature Tours (formerly Cactus Expeditions), leading tours for the last 15 years throughout South America (Chile, Argentina, Brazil, Peru, Colombia, Bolivia, Ecuador), and also to Mexico, South Africa, Madagascar, and Namibia. His tours have an emphasis on plants (bromeliads, cacti, and orchids) and birding.

He is a former researcher at the University of Cordoba, Argentina, from which he received a bachelor's degree in biology, a master's in marine biology, and a PhD in botany.

His expeditions coming up next year include trips to Namibia, Mozambique, Ecuador, Bolivia, and Southern Patagonia that will focus on the succulent and bromeliad flora of these locations (except Southern Patagonia). Find out more in his Facebook groups: Cactus and Succulents Field Tours and Bromeliads Field Tours or contact Guillermo directly: or

This month's featured grower will be David Calibo.

What to bring:

For the Show & Tell table, we will feature terrestrial bromeliads (Puya, Deuterocohnia, Dyckia, Hechtia, etc.) on the succulent side and cactus from Peru (Matucana, Oroya, etc.) on the cactus side, and anything else looking good that you would like to share.

Please bring baked goodies, fruit, snack food or a beverage if your last name begins with the letters I to M, and any other members who would like to contribute this month.

A generous offer from

Anyone, club member or not, who makes a purchase from can earn credit for the San Francisco Succulent & Cactus Society. The credit amounts to 10% of your purchases, which in turn, the club would use to purchase books for our library. is an online bookseller with nearly 200 titles on succulents alone and has many other categories of plant books as well. If you are interested, please access their store using this promotional web link: