Tree and tree-like species of Mexico: Euphorbiaceae, Peraceae, Phyllanthaceae, Picrodendraceae, Putranjivaceae, and Urticaceae

Steinmann, Victor W.; Ricker, Martin

doi:10.22201/ib.20078706e.2020.91.3339

Cited by 2 publications

(1 citation statement)

References 39 publications

(30 reference statements)

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“…Ricker and Hernández in 2010 [6] defined trees or tree-like plants more rigorously as "perennial, self-supporting plants with an height of at least 5 m at maturity in situ (without ascending leaves or inflorescences), and with one or several erect stems with a diameter of at least 10 cm"; tree species or tree-like species "contain individuals with tree characteristics at least somewhere in its geographic range." In four articles, Ricker and collaborators from 2010 to 2020 provided an updated but still partial taxonomic list under that definition, with 1250 species in 26 families, of which 43% are endemic in Mexico [6][7][8][9]. Finally, Téllez and collaborators in 2020 [10] analyzed the diversity and distribution of Mexico's native tree species, for which they compiled an (available) list of 2885 species, of which 44% are endemic.…”

Section: Introductionmentioning

confidence: 99%

Mexico’s Forest Diversity: Common Tree Species and Proposed Forest-Vegetation Provinces

Ricker

Calónico

Castillo-Santiago

et al. 2022

Forests

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We report a relatively rare study of a national forest inventory in a megadiverse country with the systematic collection of herbarium specimens. The taxonomic identification of 22,659 herbarium collections from 6942 collection sites of Mexico’s national forest inventory resulted in 1464 native tree species (approximately half of Mexico’s estimated total) in 470 genera and 117 plant families. We compared visual tree-species identifications in the field by hired crews, with much more rigorous identification of submitted (mostly sterile) herbarium samples by experienced taxonomists and specialists at the National Herbarium: for 40% of the 22,659 collections, the species identification from the field was confirmed, for 32%, it was corrected at the herbarium, and 27% had been sent without any identification. The most commonly collected plant families were Fagaceae (oak family, 21.7% of all collections), Fabaceae (legumes, 17.7%), and Pinaceae (pine family, 13.3%). The most commonly collected tree species in six major forest-vegetation types were Pinus leiophylla in “coniferous forest”, Quercus magnoliifolia in “highland broadleaf forest”, Liquidambar styraciflua in “mountainous cloud forest”, Bursera simaruba in “lowland evergreen forest”, Lysiloma divaricatum in “lowland dry forest”, and Parkinsonia microphylla in “xerophilous scrub”. We overlapped the six major forest-vegetation types with Mexico’s 15 mainland floristic provinces, as circumscribed by Rzedowski. This resulted in 75 so-called forest-vegetation provinces, of which 35 had at least 20 collection sites. The similarity of species composition among these 35 forest-vegetation provinces was only 17–34% with the Jaccard community index, and 15–42% with the Morisita-Horn community index. The number of physically undetected species was estimated statistically for the 35 forest-vegetation provinces, which indicates that there are forest-vegetation provinces, where the number of species could be up to 8.8-fold higher than those detected in the present work. Finally, we suggest a method to distribute sites optimally among the country in future forest inventories, such as to minimize the average area represented by each site.

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Section: Introductionmentioning

confidence: 99%

Mexico’s Forest Diversity: Common Tree Species and Proposed Forest-Vegetation Provinces

Ricker

Calónico

Castillo-Santiago

et al. 2022

Forests

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Floristics in Mexico today: insights into a better understanding of biodiversity in a megadiverse country

Villaseñor

Meave

2022

Bot. Sci.

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Advancing our current knowledge on floristic richness in Mexico requires access to different sources, including published and unpublished inventories, fascicles of ongoing floristic projects, and publicly available online databases. The evaluation of these sources reveals how extensive the information available on the country’s floristic diversity is, its heterogeneity, and the lack of protocols and standards for its proper organization, analysis, and synthesis. This review addresses the extent to which these sources of information provide the basis to achieve the long-awaited goal of completing the Flora of Mexico, and how traditional outputs of taxonomic work (Floras and checklists) are useful to other fields of biological research. We identified major knowledge gaps, as well as actual and potential uses by other scholars and the public. Although all reviewed sources focus on a better knowledge of the Mexican plant species, each one has its own approach, geographic coverage, and objectives, producing incompatibilities that hamper their integration for rapid and efficient synthesis and analysis. Such integration should offer an updated scenario of its taxonomic and geographical coverage, setting the foundations for organized protocols and strategies aimed to complete the Flora of Mexico in the short term. Floristic knowledge for the country continues to advance actively, as indicated by the growing number of floristic inventories and the buildup of online databases. This synthesis shows how much we know today about Mexico’s vascular plant richness and highlights the relevance of this knowledge to other fields of study of nature, particularly those related to its plant component.

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Tree and tree-like species of Mexico: Euphorbiaceae, Peraceae, Phyllanthaceae, Picrodendraceae, Putranjivaceae, and Urticaceae

Cited by 2 publications

References 39 publications

Mexico’s Forest Diversity: Common Tree Species and Proposed Forest-Vegetation Provinces

Mexico’s Forest Diversity: Common Tree Species and Proposed Forest-Vegetation Provinces

Floristics in Mexico today: insights into a better understanding of biodiversity in a megadiverse country

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