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2021. — This checklist provides the first complete, vouchered account of Maryland’s vascular flora. In total, we discuss 3,525 taxa and document 2,918 established taxa for the state of Maryland, 71.8% of which are native and 28.2% of which are introduced. Of the native species, 737 (25.3%) are tracked by the Maryland Natu-
We exclude 324 taxa reported from Maryland by previous authors and provide justifications for these exclusions. Knapp, Wesley M., and Robert F. C. Naczi. Vascular Plants of Maryland, USA: A Comprehensive Account of the State’s Botanical Diversity. Smithsonian Contributions to Botany, number 113, viii + 151 pages, 1 figure, 17 May 2021.
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- Presence of Vascular Tissues
- Presence of Leaves, True Root, and Shoot System
- Reproduction and Life Cycle
The main characteristics of vascular plants are the presence of two different vascular tissues – xylemand phloem. They consist of long, narrow cells arranged in an end-to-end pattern. 1. Xylem transports water and associated minerals from roots to all plantparts. It consists of dead cells lacking end walls between adjacent cells. The sidewalls of t...
Apart from the vascular tissue system, almost all vascular plants contain leaves that connect sunlight to prepare their food using water and minerals. They also contain a true rootand a shoot system.
The reproduction in vascular plants can be sexual or asexual, involving alternation of generationsbetween the diploid (2n) sporophyte stage and the haploid (n) gametophyte stage. The diploid stage produces spores, while the haploid stage produces gametes or sex cells. The lifecycle of vascular plants is dominated by diploid sporophyte generation.
This checklist provides the first complete, vouchered account of Maryland’s vascular flora. In total, we discuss 3,525 taxa and document 2,918 established taxa for the state of Maryland, 71.8% ...
Jun 13, 2018 · A vascular plant is any one of a number of plants with specialized vascular tissue. The two types of vascular tissue, xylem and phloem, are responsible for moving water, minerals, and the products of photosynthesis throughout the plant. As opposed to a non-vascular plant, a vascular plant can grow much larger.
Scope. We have included every species of vascular plant, bryophyte, and algae that is native or naturalized in Maryland. The Maryland Plant Atlas and Maryland Biodiversity Project stay in careful sync with the invaluable Wesley Knapp and Robert Naczi checklist Vascular Plants of Maryland (2021).
May 17, 2021 · This checklist provides the first complete, vouchered account of Maryland’s vascular flora. In total, we discuss 3,525 taxa and document 2,918 established taxa for the state of Maryland, 71.8% of which are native and 28.2% of which are introduced. Of the native species, 737 (25.3%) are tracked by the Maryland Natural Heritage Program as of conservation concern. We exclude 324 taxa reported ...
