Featured BIOSPEX Project
Microbe Mutualist Plants of Virginia


Microbe Mutualist Plants of Virginia logo

Contact

Andrea Weeks 

Organization

South East Regional Network of Expertise and Collections (SERNEC). Virginia Master Naturalists, Virginia Native Plant Society

Partners

South East Regional Network of Expertise and Collections (SERNEC). Virginia Master Naturalists, Virginia Native Plant Society

Funding Source

National Science Foundation #EF-1410086, “Digitization TCN: Collaborative Research: The Key to the Cabinets: Building and sustaining a research database for a global biodiversity hotspot.” and the Virginia Native Plant Society. 

Description

Vascular plants are masters of microbial mutualisms. Help us learn more about this important ecological interaction in Virginia.

Approximately 80% of vascular plants rely on root-dwelling fungi to liberate mineral nutrients from the soil; the taxonomic and ecological breadth of these root fungi, called mycorrhizae, is remarkable. For example, montane hemlock trees, wetland sedges and forest-dwelling wintergreen all have mycorrhizae. A smaller percentage of species – mostly leguminous plants - rely on root-dwelling bacteria to fix atmospheric nitrogen into biologically useful fertilizer. In return, these vascular plants provide their fungal and bacterial assistants with a place to live and a share of the sugars fixed via photosynthesis. In this project, we have assembled herbarium specimens from 24 plant genera that have mycorrhizae as well as over 30 genera of papilionoid legumes that interact with nitrogen-fixing bacteria. Information about mycorrhizal taxa was assembled from Brundett, M.C. (2009). “Mycorrhizal associations and other means of nutrition of vascular plants. understanding the global diversity of host plants by resolving conflicting information and developing reliable means of diagnosis.” Plant Soil 320: 37-77. Inset: flowers of <i>Lespedeza</i> <i>virginica</i> (Slender Bush Clover), a nitrogen-fixing legume. Banner: Thin tissue cross-sections of the roots of the mycorrhizal orchid, <i>Corallorhiza </i>sp., showing thread-like inclusions of beneficial fungal hyphae within the root cells.&nbsp; &nbsp; <br>

Incentives

Geographic Scope

The Commonwealth of Virginia, USA 

Taxonomic Scope

Vascular plants 

Temporal Scope

1880's to present 

Language Skills Required

English

Activities

Expeditions

1 Expeditions 13278 Transcriptions 326 Transcribers

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Microbe Mutualist Plants of Virginia I

Vascular plants are masters of microbial mutualisms. Help us learn more about this important ecological interaction in Virginia.

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FSU Florida Museum IdigBio University of Florida National Science Foundation