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There are at least five species of mushrooms in the park. All are poisonous.
Related Information
Endangered Species in Texas
This is the US Fish and Wildlife Service page listing threatened and endangered plants and animals in Texas.
NPS Scientific Research and Collecting Permit.
This permit is required for scientific activities pertaining to natural resources or social science studies in National Park System areas that involve fieldwork, specimen collection, and/or have the potential to disturb resources or visitors.
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