Flora of Pennsylvania
Contact Us
Subscribe
Register
Donate
Plants By Type
Woody Plants
Conifers
Flowering Woody Plants
Herbaceous Plants
Wild/Spontaneous
Cultivated
Grasses, Sedges & Allies
Grasses
Sedges
Rushes
Cattails & Bur-Reeds
Pipeworts
Ferns & Lycophytes
Ferns
Lycophytes
Lichens, Mosses & Liverworts
Lichens
Mosses
Liverworts
Adventive Plants
Nonnative Plants
Plants By Habitat
Forest Plants
Wetland Plants
Aquatic Plants
Rock Plants
Field & Roadside Plants
Forest Margin Plants
Galleries
Natives In Bloom
Plant Sightings
Leaf Diversity
Nature Scenery
Plant Forum (New)
Plant Resources
My Plants
Plants by Location
Advanced Search
Botanical Dicitonary
Plant Status Codes
Ask a Plant Question
Organization
About Us
Reviews
Contribute
Site Help
Donate
Plants By Category
Common Native Plants
Rare & Vulnerable Plants
Invasive Plants
Vining Plants
Parasitic & Carnivorous
Common Nonnative Plants
Plants By Color
Blue & Lavender Wildflowers
Purple Wildflowers
Red & Pink Wildflowers
Yellow Wildflowers
White Wildflowers
Orange Wildflowers
Green Wildflowers
Contributors
Alnus
gallery
Alder
Gallery
Alder catkins
Codorus State Park (York Co)
by
Paul Nale
on 03/17/2025
×
Comment:
