

TA Tidbits # 69 Dodder: The Golden Parasite of the Tortolita Trails
An introduction to dodder, a unique parasitic vine that thrives in the Tortolita Mountains area
Joseph C Thomas
4 hours ago


TA Tidbits # 68 Wildflower Prep
Tucson View from Upper Javeline Trail (1/18/26) Hiked the Upper Javelina Trail early this morning to see if any wildflowers have appeared. The wildflower bloom this year should be prolific, as we had normal monsoon rainfall in 2025 and a warm fall/early winter. It's early, so only one wildflower and one nasty grass were observed. Brittlebush has started to bloom: Brittlebush-Upper Javelina Trail (1/18/26) Sadly, Buffelgrass is now appearing along the higher elevations of th
Mark L. Johnson
1 day ago


TA Tidbits # 67 Saguaros & Tangerine(s)
Saguaro Research-Tortolita Preserve Tortolita Alliance (TA) has proposed to conduct a Saguaro Survey/Inventory within the Tortolita Preserve. TA worked with scientists from the Tumamoc Desert Laboratory to develop a preliminary plan, which has been submitted to Marana Parks & Recreation for consideration. We await their response. A Saguaro Survey/Inventory project is an excellent way for our citizen scientists to participate in a very important, long-term saguaro study. Sa
Mark L. Johnson
Jan 10


Water Woes XLII No Water~New Water
Two significant events occurred this month regarding the ongoing struggle to solve Arizona's water supply dilemma: (Part I) No Colorado River Water Sharing Deal, and (Part II) Arizona's Water Infrastructure Financing Authority (WIFA) New Water Proposals. Part I-No Colorado River Water Sharing Deal The United States Bureau of Reclamation (USBR) gave the Upper Basin States (Colorado, New Mexico, Utah, and Wyoming) and the Lower Basin States (Arizona, California, and Nevada) un
Mark L. Johnson
Nov 29, 2025



