Polypodium virginianum
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- Lincoln Ferns
- Ferns, Fern Allies and Lycophytes Strouds Run Area
- Native Ferns
- The Writings of Eloise Butler
- Fall-2010.Pdf
- Vascular Plant Checklist
- The Role of Allelopathy in Competition
- Phylogeny, Divergence Time Estimates, and Phylogeography Of
- Maryland Native Plant Society Plant Lists
- Shenandoah Species List of Ferns & Lycophytes
- Systematic Inferences from Spore and Stomate Size in the Ferns Author(S): David S
- The Ferns and Pines of the Delmarva Peninsula