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List of works by Michael G. Simpson

A New Species of Cryptantha (Boraginaceae) from the Sierra De San Pedro Mártir, Baja California, Mexico

scientific article

A New Subspecies of Pentagramma triangularis (Pteridaceae)

scientific article published in 2007

A New, Large-Flowered Variety ofEremocarya micrantha(Boraginaceae)

scientific article published in January 2016

A new and unusual endemic species from the Chihuahuan Desert, Mexico: Antiphytum geoffreyi (Boraginaceae, Echiochiloideae)

scientific article published in 2018

Calyptridium parryi Var. Martirense (Montiaceae), A New Taxon Endemic to the Sierra De San Pedro Mártir, Baja California, Mexico

scientific article

Cat's Eyes and Popcorn Flowers: Phylogenetic Systematics of the Genus Cryptantha s. l. (Boraginaceae)

scientific article

Chenopodium littoreum(Chenopodiaceae), a New Goosefoot from Dunes of South-Central Coastal California

scientific article

Cryptantha nevadensis var. rigida elevated to species with a new name, C. juniperensis

scientific article (publication date: 10 February 2017)

Cryptantha whippleae (Boraginaceae), a new serpentine-adapted species endemic to northern California, U.S.A.

scientific paper published in 2024

Cryptantha wigginsii (Boraginaceae): A Presumed Extinct Species Rediscovered

scientific article published in January 2013

Dudleya Crassifolia (Crassulaceae), a New Species from Northern Baja California, Mexico

scientific article published in 2012

Dudleya hendrixiiA New, Rare Species From Colonet Mesa, Baja California

scientific article published in October 2016

ERYNGIUM PENDLETONENSIS (APIACEAE), A NEW SPECIES FROM SOUTHERN CALIFORNIA

scientific article published in 1999

Familial classification of the Boraginales

scientific article (publication date: 24 June 2016)

Geneious! Simplified genome skimming methods for phylogenetic systematic studies: A case study in Oreocarya (Boraginaceae).

scientific article

Intermountain Flora: Vascular Plants of the Intermountain West, U.S.A. Subclass Magnoliidae–Caryophyllidae, Vol. 2A Intermountain Flora: Vascular Plants of the Intermountain West, U.S.A. Subclass Magnoliidae–Caryophyllidae, Vol. 2A. N.H. Holmgren,…

scientific article published in January 2014

Memoirs of a frequent flier: Phylogenomics reveals 18 long-distance dispersals between North America and South America in the popcorn flowers (Amsinckiinae).

scientific article

Nomenclatural revision of Cryptantha (Boraginaceae s. str.) names linked to South American taxa

scholarly article published in 2021

Phylogenetic Implications of Pollen Ultrastructure in the Oldfieldioideae (Euphorbiaceae)

scholarly article by Geoffrey A. Levin & Michael G. Simpson published 1994 in Annals of the Missouri Botanical Garden

Phylogenetic Relationships and Evolution in Dudleya (Crassulaceae)

scientific article published in 2013

Phylogenetic Relationships in the Commelinaceae: I. A. Cladistic Analysis of Morphological Data

scientific article published in 2000

Phylogenetic Relationships of Didymocistus and Hymenocardia (Euphorbiaceae)

scholarly article by Geoffrey A. Levin & Michael G. Simpson published 1994 in Annals of the Missouri Botanical Garden

Phylogenetic Systematics of the Mesa Mints: Pogogyne (Lamiaceae)

scientific article published in 2013

Phylogeny and Classification of the Haemodoraceae

scholarly article by Michael G. Simpson published 1990 in Annals of the Missouri Botanical Garden

Recognition of Two Species inEremocarya(Boraginaceae): Evidence From Fornix Bodies, Nutlets, Corolla Size, and Biogeography

article

Septal Nectary Anatomy and Phylogeny of the Haemodoraceae

scholarly article by Michael G. Simpson published October 1993 in Systematic Botany

THE CALIFORNIA PHENOLOGY COLLECTIONS NETWORK: USING DIGITAL IMAGES TO INVESTIGATE PHENOLOGICAL CHANGE IN A BIODIVERSITY HOTSPOT

scientific article published on 22 January 2020

THE TAXONOMY OF CHENOPODIUM HIANS, C. INCOGNITUM, AND TEN NEW TAXA WITHIN THE NARROW-LEAVED CHENOPODIUM GROUP IN WESTERN NORTH AMERICA, WITH SPECIAL ATTENTION TO CALIFORNIA

scientific article

Taxonomic recovery of the species in theChenopodium neomexicanum(Chenopodiaceae) complex and description ofChenopodium sonorensesp. nov.

scientific article published in July 2017

Taxonomy of Calyptridium parryi (Montiaceae)

scientific article

Taxonomy of the winged popcorn flower: Cryptantha pterocarya (Boraginaceae)

scientific article

The borage family (Boraginaceae s.str.): A revised infrafamilial classification based on new phylogenetic evidence, with emphasis on the placement of some enigmatic genera

scientific article (publication date: 24 June 2016)

The taxonomy ofChenopodium desiccatumandC. nitens, sp. nov.1

scientific article

Transfer of four species of Cryptantha to the genus Johnstonella (Boraginaceae)

scientific article published on 12 December 2019

Typification of the name Johnstonella (Boraginaceae)

scientific article (publication date: 28 August 2014)

Vegetative Anatomy of the Haemodoraceae and Its Phylogenetic Significance

scholarly article by Layla Aerne-Hains & Michael G. Simpson published February 2017 in International Journal of Plant Sciences