Saturday July 27

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Saturday, July 27th 

Desert flora of the Tucson Mountains

7:00 am – 10:00 am

Cost: $60.00

 The Tucson Mountains are located west of Tucson, Arizona. The flora of the mountain range includes 630 taxa in 332 genera and 80 families. The area we will be visiting is Sonoran Desert scrubland, defined by the columnar saguaro cactus. In this desert flora tour, we will be exploring  65.4 acres of desert land belongs to Martha Hawes. This natural area is surrounded on all sides by Tucson Mountain Park. It is the home of many local wildlife including bobcat, coyote, Gambel’s quail, and desert tortoise.

 We recommend wearing sturdy shoes or boots, long pants (lots of spines and thorns and maybe a rattlesnake), wide-brimmed hat, sunscreen, and sunglasses. Bring a few liters of water. It will be hot.

Maximum Attendees: 15 people

Some collecting may be allowed with permission

 Trip Leaders:  Martha Hawes and Sue Rutman


Lycophytes and Ferns of the Catalina Mountains

8:00 am – 5:00 pm

Cost: $70.00

Ferns in the desert? That’s right! The Sonoran Desert region is home to many species of ferns and lycophytes, and we will encounter them as we transect the plant communities of the Tucson Mountains and the Catalina Mountains. After a quick visit to Gates Pass in the Tucson Mountains, we will ascend the Catalina Mountains. The Catalina Mountains are the closest Madrean Sky Island to Tucson and range in elevation from 914-2785m (3,000 -9,137 feet). At last count four lycophyte taxa and 47 fern taxa occur in the Catalina Mountains. We will make several stops along the 27-mile Mt. Lemmon Highway from the Sonoran Desert to subalpine forest, and we will find and observe a myriad of fern and lycophyte taxa. The early monsoon timing of this field trip should be worth it in itself. Hand lens necessary!

No Collecting

 Maximum Attendees  - 40 people

Trip Leaders:  George Ferguson and Sue Carnahan


Crop Wild Relatives Conservation in the Southwest

8:00 am – 5:00 pm

Cost: $80.00

Southwest North America is a major center of North American crop wild relative diversity and has played a major role in the selection and distribution of some of our most notable crops. Several organizations in this area are committed to preserving diversity within widely used crops and among lesser known varieties, landraces, and crop wild relatives. Join the Economic Botany section for a tour of three farms that are working to conserve these important plants: 1) Almuñia de los Zopilotes (the “Experimental Farm of the Turkey Vultures”) of Gary Nabhan, a leader in preserving ethnobotanical knowledge and crop wild relatives; 2) Native Seeds/SEARCH Conservation Farm, where 200 and 350 accessions are grown on 12-15 acres to increase their seed bank and grow crops identified for specific projects.

Bring sun protection and comfortable walking shoes

Maximum Attendees:  30 people

Trip Leaders:  Laura Klein, Danforth Plant Science Center


Desert Laboratory on Tumamoc Hill

4:00 pm – 7:30 pm

Cost: $35.00

Experience where desert botany and ecology all began! Make the quick trip over to the Desert Laboratory on Tumamoc Hill for a behind the scenes tour. You will see the original 1903 Desert Lab buildings that house Tucson’s first greenhouse (recently renovated), the Lab’s Sonoran Plant garden, the library that houses a premier collection of works on the Sonoran Desert, and the University’s vertebrate paleontology collection, full of mammoth fossils from the San Pedro River basin. The labs’ long-term plots, the world’s longest continuously monitored vegetation plots, will be highlighted. You will also experience the stunning views from the top of Tumamoc Hill at sunset and learn about the site’s remarkable archaeology. Don’t miss a chance to see Tucson and the Sonoran Desert as never before. Light hors-d'oeuvres will be served, with the return to the resort in time for a late dinner.

Maximum Attendees – 25

Trip Leader:  Dr. Ben Wilder


Bats of Southern Arizona

6:30 pm – 10:00 pm

Cost: $35.00

Southern Arizona has some of the most spectacular bat diversity of the entire United States. There are a high number of insectivorous bats as well as a few species that consume nectar and are important plant pollinators. For this trip, we will be setting up a few mist nets over water to catch bats that are flying down to get a drink. Bats will be removed by me and shown to the attendees. Agua Caliente Park has one of the larger sources of water in the Tucson metropolitan area and attracts a lot of insects (and bats). We could potentially catch anywhere from 2-10 species of bats, many of which only occur only in the southwest. The walk from the parking lot to the netting site takes approximately 2 minutes on pavement so anyone should be able to do this trip.

 This is at a public park with flushing toilets and a very short walk from the parking lot to the bat catching site. There is a possibility of high heat but is usually not too bad once the sun goes down. If it looks like there will be thunderstorms in the evening that night the trip will have to be cancelled. Bring water!

Maximum Attendees – 20 

Attendees will not be handling bats and do not need rabies shots to view bats up close.

Trip Leader:  Brendan Larsen, University of Arizona


Lighting for Moths and Other Insects of Southern Arizona

7:00 pm-midnight

Cost: $80.00

 Southern Arizona has the highest moth diversity in the US, with over 4000 species, many of which are rather showy. Insect collectors come from around the world to visit the Pena Blanca location during the summer. For this trip, we will be setting up black lights to attract moths and many other interesting insects. We could potentially see hundreds of insect species, many of them are endemic to southern Arizona and northern Mexico. Our trip will be leaving at 7:00 pm and finish at midnight.

Special conditions:   Flashlight, rain gear (there is a good chance of getting rained on), snack, and water. You will pass through a border patrol checkpoint on your return from the trip, so non-US visitors should bring their passport and visa.

Maximum Attendees: 10 People

Trip Leaders:  Bruce Walsh, Dept of EEB, BSW, University of Arizona