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You searched for: Subject "Southwestern United States" Remove constraint Subject: "Southwestern United States" Journal Systematic botany Remove constraint Journal: Systematic botany Publication Year 2019 Remove constraint Publication Year: 2019
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1. Phylogenetics of Pinus Subsection Cembroides Engelm. (Pinaceae) Inferred from Low-Copy Nuclear Gene Sequences

Author:
Montes, José Rubén; Peláez, Pablo; Willyard, Ann; Moreno-Letelier, Alejandra; Piñero, Daniel; Gernandt, David S.
Source:
Systematic botany 2019 v.44 no.3 pp. 501-518
ISSN:
0363-6445
Subject:
Southwestern United States,   etc   ; Pinus edulis; Pinus monophylla; genes; monophyly; nucleotide sequences; plant taxonomy; plastid DNA; ribosomal DNA; trees; Mexico;     Show all 11 Subjects
Abstract:
... Pinus subsection Cembroides comprises approximately 15 taxa distributed from the southwestern United States to south central Mexico. Despite previous phylogenetic studies based on morphology, nuclear ribosomal DNA, and plastid DNA, we still lack a robust phylogenetic hypothesis and clear delimitation for the closely-related species within the group. We studied the evolutionary relationships within ...
DOI:
10.1600/036364419X15620113920563

2. Historical Biogeography and Temporal Diversification in Symphoricarpos (Caprifolieae, Caprifoliaceae, Dipsacales)

Author:
Bell, Charles D.; Gonzalez, Lauren A.
Source:
Systematic botany 2019 v.44 no.1 pp. 83-89
ISSN:
0363-6445
Subject:
Southwestern United States,   etc   ; Miocene epoch; Oligocene epoch; Symphoricarpos; biogeography; climate; climate change; divergent evolution; ecosystems; flora; forest habitats; niche conservatism; paleobotany; phylogeny; plant taxonomy; temporal variation; Asia; Mexico;     Show all 18 Subjects
Abstract:
... The major aim of this paper was to investigate temporal diversification within Symphoricarpos (Caprifoliaceae, Dipsacales). We used recently published molecular sequences, along with fossil data, to examine when Symphoricarpos may have arrived in the New World and if current distributional patterns can be explained by data based on biogeographic, climatological, and geological events. We simultane ...
DOI:
10.1600/036364419X697921