Plant Indicator Guides

Each guide describes and illustrates plants that can be used as indicators of ecologically significant habitats in the Hudson Valley, including calcareous wet meadows, calcareous crests, fens, and swamps. We encourage the free download and distribution of these guides to anyone interested in learning how to recognize habitats that may be unfamiliar.

• Wet Meadow
• Calcarous Wet Meadow
• Wet Clay Meadow
• Swamp
• Kettle Shrub Pool
• Fen
• Marsh
• Circumneutral Bog Lake
• Calcareous Ledge
• Cool Ravine

Hudsonia, a tax-exempt not-for-profit corporation of the State of New York, classified 501(c)(3) by the Internal Revenue Service, relies on the generous, tax-deductible contributions from members of our community to sustain our research and education. We appreciate your support of our work.