Top View
- Introduction and Objectives
- Descriptive Key to Oregon Penstemons
- Scrophulariaceae) and Hemiparasitic Orobanchaceae (Tribe Rhinantheae) with Emphasis on Reticulate Evolution
- CUTHBERT's TURTLEHEAD Scientific Name: Chelone Cuthbertii
- Evaluation of Native Plant Seeds and Seeding in the East-Side Central Cascades Ponderosa Pine Zone
- A Brief Glossary of the More Common Botanical and Horticultural Terms
- Classification, Evolution, and Phylogeny of the Families of Monocotyledons
- Pollination Ecology and Floral Visitor Spectrum of Turtlehead (Chelone Glabra L.; Plantaginaceae)
- Theophrastus (371-287BC)
- Diagnostic Characters of Plant Families for Which Sight Recognition Is Expected (Except Cyperaceae, Poaceae and Juncaceae)
- American Peony Society Handbook
- A New Species of Heliconia (Heliconiaceae) with Pendent Inflorescence, from Chucantí Private Nature Reserve, Eastern Panama
- Description of Flower Biology of Under-Exploited Species, Zingiber Barbatum (Wall.) from Myanmar
- Outlines of the History of Botany
- Dictionary of Basic Botany Terminology © Frederick Warren King Version 1.05 (Mar 3, 2021)
- Comparative Pollination Role of Stamens and Breeding System in Three Species of Commelina (Commelinaceae) in Ile-Ife, Nigeria
- The Effects of Pollinators and Sex Ratios on the Evolution of Life-History Traits in Aralia Nudicaulis a Thesis Submitted To
- Floral Abnormality in the Avocado
- 1 Key to Penstemons North
- A New Hechtia (Bromeliaceae) from the States of Querétaro and Hidalgo, Mexico
- Graham's Beardtongue Fact Sheet (Penstemon Grahamii)
- Phylogeny/Classification of the Families of Vascular Plants of North Central Texas
- Penstemon Degeneri Crosswhite (Degener's Beardtongue)
- Sepals and Petals and Stamens—Oh, My! Or, a Brief Discourse on Putative Homologies of Perianth Elements of Common Black Cohosh W
- The Penstemon Issue
- Floral Biology, Breeding System, Pollination and Reproductive
- A Field Guide to the Special Status Plants of Grand Canyon National Park