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Phylogeny and biogeography of the pinyon pines (Pinus subsect. Cembroides).
TLDR
The phylogeny is used to examine Axelrod's hypothesis that a Late Tertiary shift in regional climate-the elimination of summer rains in the far western United States-affected the evolution of the regional flora.
Ajo Peak to Tinajas Altas: A flora of southwestern Arizona. Part 11. Eudicots: Brassicaceae and Burseraceae
A floristic account is provided for the mustard and fran kincense families as part of the vascular plant flora of the contiguous protected areas of Organ Pipe Cactus National Monument, Cabeza Prieta
LIFE HISTORY AND ENVIRONMENT IN TWO SPECIES OF INTERTIDAL BARNACLES
The reproductive ecology of Chthamalus anisopoma and Tetraclita stalactifera is compared in order to understand how their life histories function in the context of their present environment, and what
An inventory and monitoring plan for a Sonoran Desert ecosystem; Barry M. Goldwater Range-West
........................................................................................................................................................................ 1 Purpose and Scope
Grassification and Fast-Evolving Fire Connectivity and Risk in the Sonoran Desert, United States
In the southwestern United States, non-native grass invasions have increased wildfire occurrence in deserts and the likelihood of fire spread to and from other biomes with disparate fire regimes. The
Ajo Peak to Tinajas Altas: A flora of southwestern Arizona: Part 2. The checklist
A checklist is provided for the modern and fossil vascular pl nt flora of the contiguous protected areas of Organ Pipe Cactus National Monument, Cabeza Prieta National Wildlife Refuge, and the
Ajo Peak to Tinajas Altas: A flora in southwestern Arizona. Part 7. Eudicots: Cactaceae – Cactus Family
TLDR
Cylindropuntia, with 12 present-day taxa, is the most diverse cactus genus in the flora area as well as the Sonoran Desert, and a discussion of convergent evolution of water-conserving adaptations in Peniocereus striatus and an African Euphorbia is included.
FOREST ON THE ROCKS
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