BOTANY CIRCULARS
The circulars below are in PDF format and some are also in html. You will need Adobe Acrobat Reader to view the PDF files. You can download the reader free from Adobe.
1. Nematology (Botany) Circular No. 15 
also in html
Milkweed Vine, Morrenia odorata--an identification aid / K.R. Langdon
2. Nematology (Botany) Circular No. 19 also in html
Illicium parviflorum, Correct Name for the Anisetree of the Florida Nursery Trade / K.R. Langdon
3. Nematology (Botany) Circular No. 25 also in html
Datura sp.: Weed, Ornamental, Drug, Poison; with a Bizarre Medical History / C.R. Artaud & K.R. Langdon
4. Nematology (Botany) Circular No. 30 also in html
Physic Nut, Jatropha curcas / K.R. Langdon
5. Nematology (Botany) Circular No. 35 also in html
Dumbcane, (Dieffenbachia sp.) A Common Poisonous Ornamental Plant / K.R. Langdon
6. Nematology (Botany) Circular No. 40 also in html
Venus' Flytrap, Dionaea muscipula, A Plant Which Eats Insects / K.R. Langdon
7. Nematology (Botany) Circular No. 45 also in html
The Tung Oil Tree, Aleurites fordii / K.R. Langdon
8. Nematology (Botany) Circular No. 48 also in html
Cowpea Witchweed, Striga gesnerioides, A Newly Discovered Root-Parasitic Weed Introduced in Florida / K.R. Langdon
9. Nematology (Botany) Circular No. 56 also in html
The Ghost Orchid, Polyrrhiza lindenii, An Endangered Species in Florida / K.R. Langdon
10. Nematology Circular No. 59 (Botany 10) also in html
Oak-Leaf Hydrangea, Hydrangea quercifolia, A Native Shrub Useful as an Ornamental / K.R. Langdon
11. Nematology Circular No. 64 (Botany 11) also in html
Procedures for Collecting, Preserving, and Submitting Plant Specimens for Identification / K.R. Langdon
12. Nematology Circular No. 69 (Botany 12) also in html
The Bromeliad, Guzmania monostachya, An Endangered Plant in Florida / K.R. Langdon
13. Nematology Circular No. 74 (Botany 13) also in html
The Seriously Depleted Cowhorn Orchid, Cyrtopodium punctatum, Endangered in Florida / K.R. Langdon
14. Nematology Circular No. 79 (Botany 14) also in html
Hand Fern, Ophioglossum palmatum, Endangered and Becoming Extremely Rare in Florida / K.R. Langdon
15. Botany Circular No. 15 also in html
The Native Florida Bromeliad or Wild-pine, Tillandsia fasciculata / K.R. Langdon
16. Botany Circular No. 16 also in html
Florida Law Concerning Threatened and Endangered Plants / K.R. Langdon
17. Botany Circular No. 17 also in html
Sea Oats, Uniola paniculata, a Valuable Native Sand-binding Grass of Coastal Dunes / K.R. Langdon
18. Botany Circular No. 18 also in html
Rhododendron chapmanii, an Endangered Species on Both State and Federal Lists / K.R. Langdon
19. Botany Circular No. 19 also in html
Sassafras, a Medicinal Plant and Flavoring Ingredient / K.R. Langdon
20. Botany Circular No. 20 also in html
Simpson's Zephyr Lily, Zephyranthes simpsonii, an Endangered Species / K.R. Langdon
21. Botany Circular No. 21 also in html
Pygmy Fringe-tree, Chionanthus pygmaeus, Endangered by Lost of Habitat / K.R. Langdon
22. Botany Circular No. 22 also in html
Branched Broomrape, Orobanche ramosa, an Economically Important Parasitic Weed Not Currently Known in Florida / K.R. Langdon
23. Botany Circular No. 23 also in html
A Native Terrestrial Orchid, Platanthera blephariglottis, The White Fringed Orchid / K.R. Langdon
24. Botany Circular No. 24 also in html
Cuscuta exaltata on Quercus virginiana / Jeanette Wheeler, George C. Wheeler, and K.R. Langdon
25. Botany Circular No. 25
Bartram's Ixia, Salpingostylis (=Sphenostigma) coelestinum a Rare Endemic Plant Species of North Florida / K.R. Langdon & N.C. Coile
26. Botany Circular No. 26
Pinks, Pinked and Pink! Silene polypetala / Nancy C. Coile
27. Botany Circular No. 27
Tropical Soda Apple, Solanum viarum, Dunal: The Plant From Hell / Nancy C. Coile
28. Botany Circular No. 28
Cogongrass, Imperata cylindrica (L.) Beauv.: A Good Grass Gone Bad! / Nancy C. Coile
29. Botany Circular No. 29
Mile-a-minute Weed, Polygonum perfoliatum L. / J. Douglas Pliver & Nancy C. Coile
30. Botany Circular No. 30
Comparison of Two Parasitic Vines: Dodder (Cuscuta) and Woe Vine (Cassytha) / Alan R. Haynes, Nancy C. Coile & Timothy S. Schubert
31. Botany Circular No. 31
Poison-ivy [Toxicodendron radicans (L.) Kuntze] and its Relatives in Florida / Nancy C. Coile
32. Botany Circular No. 32
Which Boston Fern Is It? The Exotic Nephrolepis cordifolia (L.) Presl, or the Native Nephrolepis exaltata (L.) Schott / Nancy C. Coile
33. Botany Circular No. 33
Chenopodium ambrosioides L., (Chenopodiaceae) Mexican-tea, Wanted Weed? / Nancy C. Coile and Carlos R. Artaud
34. Botany Circular No. 34
Urtica chamaedryoides Pursh: a Stinging Nettle, or Fireweed and Some Related Species / Nancy C. Coile
35. Botany Circular No. 35
Native plant ? Wildflower? Endemic? Exotic? Invasive? Rare? Endangered? / Nancy C. Coile
36. Botany Circular No. 36
Status of Biological Control of Tropical Soda Apple, Solanum viarum, in Florida / Julio C. Medal, Nancy C. Coile, Daniel Gandolfo, James P. Cuda
To request Botany circulars, please email Patti Anderson or mail request to:
Botany Section
FDACS/DPI
P.O. Box 147100
Gainesville FL 32614-7100
