Botany Circulars

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Botany Circulars

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Pesticide recommendations change over time. Contact your local extension office for current recommendations. 

No.TitleAuthor(s)Date
45 Identifying Grasses: Starting With a Few Easy Ones [ pdf 6 MB ] Patti J. Anderson November 2021
44 Rhynchospora of Florida [ pdf 21 MB ] Alexander J. de la PazApril 2021
43 How to Identify Hemp, Cannabis sativa L. (and Lookalike) Plants [ pdf 14.3 MB ] Patti J. Anderson and Alexander de la PazApril 2021
42 Sabal Palmetto, Our State Tree: Is It a Tree? [ pdf 2.9 MB ] Patti J. AndersonDec. 2020
41 Native Palms of Florida: Identification and Regulation [ pdf 5 MB ] Patti J. AndersonDec. 2019
40 The Buckthorns (Genus Sideroxylon): An Underappreciated Group of Florida Native Plants [ pdf 2.2 MB ] Paul CoroginOct. 2018
39 <p class="pb-6">The Spider Lilies ( <em>Hymenocallis</em>) Native to Florida</p> [ pdf 1 MB ] Mark A. Garland, Gerald L. Smith and Patti J. AndersonJan. 2013
38 Jasmines, a diversity of plants with fragrant flowers [ pdf 978.8 kB ] Richard E. Weaver, Jr. and Patti J. AndersonOct. 2012
37 <p class="pb-6">Which&nbsp;<em>Mikania</em>: Native Vine or Noxious Weed?</p> [ pdf 466.7 kB ] Patti J. Anderson, Richard E. Weaver, Jr., Kurt M. Neubig, Marc S. Frank and Wayne N. DixonAug. 2012
36 <p class="pb-6">Status of Biological Control of Tropical Soda Apple, <em>Solanum viarum</em>, in Florida</p> [ pdf 210.8 kB ] Julio C. Medal, Nancy C. Coile, Daniel Gandolfo, James P. CudaSept. 2002
35 Native Plant? Wildflower? Endemic? Exotic? Invasive? Rare? Endangered? [ pdf 43.1 kB ] Nancy C. CoileJuly 2002
34 <p class="pb-6"><em>Urtica chamaedryoides</em>&nbsp;Pursh: a Stinging Nettle, or Fireweed and Some Related Species</p> [ pdf 267.7 kB ] Nancy C. CoileSept. 1999
33 <p class="pb-6"><em>Chenopodium ambrosioides&nbsp;L., (Chenopodiaceae)&nbsp;</em> Mexican-tea, Wanted Weed?</p> [ pdf 2.1 MB ] Nancy C. Coile and Carlos R. ArtaudMar. 1997
32 <p class="pb-6">Which Boston Fern Is It? The Exotic <em>Nephrolepis cordifolia </em>(L.) Presl, or the Native <em>Nephrolepis exaltata </em>(L.) Schott</p> [ pdf 1.4 MB ] Nancy C. CoileJuly 1996
31 <p class="pb-6">Poison-ivy [<em>Toxicodendron radicans&nbsp;</em>(L.) Kuntze] and its Relatives in Florida</p> [ pdf 2.1 MB ] Nancy C. CoileMar. 1996
30 <p class="pb-6">Comparison of Two Parasitic Vines: Dodder ( <em>Cuscuta</em>) and Woe Vine (<em>Cassytha</em>)</p> [ pdf 913 kB ] Alan R. Haynes, Nancy C. Coile & Timothy S. SchubertJan. 1996
29 <p class="pb-6">Mile-a-minute Weed,&nbsp;<em>Polygonum perfoliatum</em>&nbsp;L.</p> [ pdf 1.8 MB ]  J. Douglas Pliver & Nancy C. CoileNov. 1994
28 <p class="pb-6">Cogongrass, <em>Imperata cylindrica</em>&nbsp;(L.) Beauv.: A Good Grass Gone Bad!</p> [ pdf 1.1 MB ] Nancy C. CoileDec. 1993
27 <p class="pb-6">Tropical Soda Apple, <em>Solanum viarum</em>, Dunal: The Plant From Hell</p> [ pdf 920.2 kB ] Nancy C. CoileMay 1993
26 <p class="pb-6">Pinks, Pinked and Pink!&nbsp;<em>Silene polypetala</em></p> [ pdf 735.2 kB ] Nancy C. CoileSept. 1992
25 <p class="pb-6">Bartram's Ixia,&nbsp;<em>Salpingostylis</em>&nbsp;(= <em>Sphenostigma</em>)&nbsp;<em>coelestinum,</em>&nbsp;a Rare Endemic Plant Species of North Florida</p> [ pdf 835.8 kB ] K.R. Langdon & N.C. CoileMar. 1992
24 <p class="pb-6"><em>Cuscuta exaltata</em>&nbsp;on&nbsp;<em>Quercus virginiana</em></p> [ pdf 220.7 kB ] Jeanette Wheeler, George C. Wheeler, and K.R. LangdonMar. 1989
23 <p class="pb-6">A Native Terrestrial Orchid, <em>Platanthera blephariglottis</em>, the White Fringed Orchid</p> [ pdf 170.8 kB ] Jeanette Wheeler, George C. Wheeler, and K.R. LangdonMar. 1989
22 <p class="pb-6">Branched Broomrape,&nbsp;<em>Orobanche ramosa</em>, an Economically Important Parasitic Weed Not Currently Known in Florida&nbsp;</p> [ pdf 204.1 kB ]  K.R. LangdonAug. 1984
21 <p class="pb-6">Pygmy Fringe-tree,&nbsp;<em>Chionanthus pygmaeus</em>, Endangered by Loss of Habitat</p> [ pdf 167.9 kB ] K.R. LangdonFeb. 1984
20 <p class="pb-6">Simpson's Zephyr Lily,&nbsp;<em>Zephyranthes simpsonii</em>, an Endangered Species</p> [ pdf 164.3 kB ] K.R. LangdonJuly 1983
19 Sassafras, a Medicinal Plant and Flavoring Ingredient [ pdf 299.5 kB ] K.R. LangdonMar. 1983
18 <p class="pb-6"><em>Rhododendron chapmanii</em>, an Endangered Species on Both State and Federal Lists</p> [ pdf 160.1 kB ] K.R. LangdonJan. 1983
17 <p class="pb-6">Sea Oats, <em>Uniola paniculata</em>, a Valuable Native Sand-binding Grass of Coastal Dunes</p> [ pdf 123.9 kB ] K.R. LangdonJune 1982
16 Florida Law Concerning Threatened and Endangered Plants [ pdf 174.6 kB ] K.R. LangdonMar. 1982
15 <p class="pb-6">The Native Florida Bromeliad or Wild-pine,&nbsp;<em>Tillandsia fasciculata</em></p> [ pdf 132.1 kB ] K.R. LangdonDec. 1981
14 <p class="pb-6">Hand Fern, <em>Ophioglossum palmatum</em>, Endangered and Becoming Extremely Rare in Florida</p> [ pdf 123 kB ] K.R. LangdonSept. 1981
13 <p class="pb-6">The Seriously Depleted Cowhorn Orchid, <em>Cyrtopodium punctatum</em>, Endangered in Florida</p> [ pdf 159.6 kB ] K.R. LangdonApr. 1981
12 <p class="pb-6">The Bromeliad,&nbsp;<em>Guzmania monostachya</em>, An Endangered Plant in Florida</p> [ pdf 144.8 kB ] K.R. LangdonNov. 1980
11 Procedures for Collecting, Preserving, and Submitting Plant Specimens for Identification [ pdf 129.3 kB ] K.R. LangdonJune 1980
10 <p class="pb-6">Oak-Leaf Hydrangea,&nbsp;<em>Hydrangea quercifolia</em>, A Native Shrub Useful as an Ornamental</p> [ pdf 119.3 kB ] K.R. LangdonJan. 1980
9 <p class="pb-6">The Ghost Orchid, <em>Polyrrhiza lindenii</em>, An Endangered Species in Florida</p> [ pdf 193.2 kB ] K.R. LangdonOct. 1979
8 <p class="pb-6">Cowpea Witchweed,&nbsp;<em>Striga gesnerioides</em>, A Newly Discovered Root-Parasitic Weed Introduced in Florida</p> [ pdf 188.4 kB ] K.R. LangdonFeb. 1979
7 <p class="pb-6">The Tung Oil Tree,&nbsp;<em>Aleurites fordii</em></p> [ pdf 216.4 kB ] K.R. LangdonNov. 1979
6 <p class="pb-6">Venus' Flytrap,&nbsp;<em>Dionaea muscipula,</em>&nbsp;a Plant Which Eats Insects</p> [ pdf 152.8 kB ] K.R. LangdonJune 1979
5 <p class="pb-6">Dumbcane (<em>Dieffenbachia</em>&nbsp;sp.), a Common Poisonous Ornamental Plant</p> [ pdf 138.1 kB ] K.R. LangdonJan. 1979
4 <p class="pb-6">Physic Nut, <em>Jatropha curcas</em></p> [ pdf 218.2 kB ] K.R. LangdonAug. 1977
3 <p class="pb-6"><em>Datura</em>&nbsp;sp.: Weed, Ornamental, Drug, Poison; with a Bizarre Medical History</p> [ pdf 216.1 kB ] C.R. Artaud, K.R. LangdonFeb. 1977
2 <p class="pb-6"><em>Illicium parviflorum,&nbsp;</em>Correct Name for the Anisetree of the Florida Nursery Trade</p> [ pdf 153 kB ] K.R. LangdonAug. 1976
1 <p class="pb-6">Milkweed Vine,&nbsp;<em>Morrenia odorata</em>--an identification aid</p> [ pdf 223.8 kB ] K.R. LangdonApr. 1976

 

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