Episodes
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We talk about the basic elements of plant identification, how it ties into plant evolution, evolutionary trees aka cladograms, what "phylogeny" means and why monophyletic" and "synapomorphies" are such important terms.
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In this episode we talk about Paronychia congesta, one of Texas' Rarest Plants, which grows on Caliche barrens in Jim Hogg County, as well as Caliche blazing stars, the Crested Peyote of West Texas, planting native plant gardens at Amada's House in Mirando City,and plenty more. -
Missing episodes?
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I became fixated on lycophytes because of some of the cool desert-dwelling members of the genus Selaginella, not to mention the utterly weird "clubmosses" that thrive in places as disparate as Northern Wisconsin and the slopes of volcanoes in New Zealand, but in this episode botanist Jeff Benca tells us about his work with relatives of the genus Isoetes ("Quillworts") and how their 250 million year old relatives might have been able to survive the biggest extinction in Earth's history, otherwise known as the Permian Extinction or "The Great Dying".
Jeff's IG : @jeffbenca
FB : Jeff Benca
Thumbnail is Phlegmariurus dalhousianus, photo by Jeff Benca. Other species mentioned in this episode is Lycopodium vestidum. Extinct species mentioned here that were thriving during the Permian Extinction Event and are related to Isoetes are Pleuromeia and Annalepis.
Compounds that volcanic dykes and sills interacted with that were locked up in salt deposits and related to UV shield degradation during the Permian Extinction Event were methyl bromide and methyl chloride. -
A rant about West Texas Pines and the sand blazing star. At the 40 minute mark we begin our dive into the convoluted, confusing but utterly cool phenomenon of Alternation of Generations we talk mostly about Bryophytes (mosses and liverworts) and Lycophytes ("spikemosses" and "clubmosses"), and the ferns, but not gymnosperms or angiosperms). This turns into more of a "lesson" on the subject than a podcast episode.
Key terms to remember :
Gametophyte (haploid), Sporophyte (diploid)
Haploid - 1 set of chromosomes aka 1 copy of the genome
Diploid - 2 sets of chromosomes aka 2 copies of the genome (one as a backup copy)
Meiosis (takes a diploid cell and produces haploid daughter cells, two of which later come together to form a diploid zygote/sporophyte)
Mitosis (Cell divides and produces cells identical to whatever the parent cell was, whether that parent cell was haploid or diploid. Mitosis doesn't reduce the chromosome number by half). Meiosis is synonymous with sex/reproduction/the production of haploid cells).
Evolutionary lineages referenced in this episode and their phylogenetic classification:
Bryophytes (An informal paraphyletic classification used to refer to the non-vascular Phyla Anthocerotophyta (hornworts), Marchantiophyta (liverworts), and Bryophyta (mosses)
Lycophytes : Class Lycopodiopsida, contains 3 orders: Lycopodiales (1 Family : Lycopodiaceae; 3 Subfamilies : Huperzioideae, Lycopodielloideae, Lycopoideae), Selaginellales (1 family : Selaginellaceae), & Isoetales (1 family : Isoetaceae).
Ferns : Class Polypodiopsida.
Contains 4 Subclasses : Equisetidae (Horsetails), Marattiadae (Marratioid Bastards including Angiopteris evecta with 20' long fronds), Ophioglossidae (Whisk Ferns, Grape Ferns, Moonworts), and Polypodiidae (Leptosporangiate Ferns, aka the "classic" ferns including the majority of what people think of when they think of ferns including Maidenhairs, Cinnamon Ferns, Sensitive Ferns, Filmy Ferns, Forked Ferns, Cheilanthoid "Desert" Ferns, Mosquito Ferns, Tree Ferns, Aspleniums, etc.
THUMBNAIL : Archegoniophore (haploid) and Non-photosynthetic Sporophyte (Diploid) of the Baja California liverwort Asterella palmeri, photo by Ken-Ichi Ueda -
A conversation with Chemist, Genius, Botanist,, Propagator, & Madman Dan Hosage about Texas Native Plants, Texas History, and more.
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NON-BOTANY PODCAST! This week's podcast is a conversation with my friend Jay Lesoleil, political anthropologist and half the means behind the "Fucking Cancelled" podcast about right-wing populism, the failures of the American left, identitarianism, and how to build a non-insane American working class left.
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Andrew Hipp is the director of the herbarium and Senior Sciensist and Researcher in Plant Systematics at Morton Arboretum in Chicago.
This is one of the most fun and inspiring conversations I've had in a while, and it's about one of the most ecologically important genera of plants in the Northern Hemisphere : THE OAKS (genus Quercus).
In this episode we talk about the 13,000 year old Palmer's Oak in the California Desert, what the hell "Delayed Fertilization" is (hint: it's not common but it's ubiquitous in all members of genus Quercus), Oak Evolution, we go in depth explaining oak pollination and flower morphology and how acorns develop and disperse, how acorns can stand get a bite taken out of them by a squirrel and still germinate, and what overall f*cking beasts of organisms oak tree and scrub oaks are. We also talk about the future of oaks, how oaks will deal with climate change, how oaks dealt with the incredibly hot temperatures during the Paleocene-Eocene Thermal Maximum (PETM), why there's so much oak diversity in Mexico, the multitude of ecological services oaks provide and the numerous ecological relationships oaks foster within a plant community, landscape and regional setting. This was a fun conversation and massively enlightening.
Pre-Order Andrew's Book at :
https://press.uchicago.edu/ucp/books/book/chicago/O/bo236998258.html
Oak Taxonomic Tree (as inferred from molecular genomic data)
Oak Subgenus Cerris : Eurasia
Oak Subgenus Quercus : North America
Subgenus Quercus, section Lobatae (Red Oaks)
Subgenus Quercus section Quercus
Subgenus Quercus section Virentes
Subgenus Quercus section Ponticae
Subgenus Quercus section Protobalanus -
Casey Williams is an botanist and plant ecologist specializing in aquatic plants - both plants that grow completely submerged and which can emerge above the water surface. In this episode, we discuss :
-the stresses facing plants that grow underwater,
-being limited by CO2 availability instead of water availability,
-the endangered Texas Wild Rice,
-how limestone geology influences aquatic plant growth by making CO2 more abundant,
-utilizing aquatic plants and the fungi that grow on them for bioremediation and treating sewage at the local shitplant
-how some aquatic plants have adapted to a paucity of dissolved carbon dioxide by supplementing with bicarbonate,
-aquatic plants in deserts, and
-how one plant in particular has utilized an evolutionary strategy more frequently employed by desert plants (CAM) as a way to cope with fluctuations in CO2 availability.
Books referenced which can be downloaded off libgen.is :
Wetland Plants by Cronk
Aquatic Photosynthesis by Falkowski -
Vernonia lettermannii and other cool plants of Western Arkansas Novaculite, Ouachita Mountain Orogeny, Chert Glades of Western Missouri, the most obnoxious cicada species in the world, Detroit Rustic, Pittsburgh Museums, Shared Mountain Ranges of Appalachia and Morocco from the times of Pangaea, Northern Pennsylvania Glaciation, and more.
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Alan Rockefeller is a mycologist and educator who has been studying mushrooms all over the world for the past 20 years and recently helped described two new species of Psilocybin mushroom from South Africa. He has helped numerous "citizen scientists" learn to DNA barcode fungi and led hundreds of free mushroom identification walks throughout North America. Alan encourages community science, free education and in addition is one of the kindest human beings I know. Also, one time in Mexico we almost both got trapped on top of a freezing mesa together.
Website on Alan's DNA Barcoding Basics:
https://wiki.counterculturelabs.org/wiki/DNA_sequencing -
Dr. Daniela Cristina Zappi is a Brazilian botanist, plant collector, and research scientist at the herbarium of the Royal Botanic Gardens, Kew noted for studying and describing Neotropical flora, Rubiaceae, and Cactaceae. She has described over 90 species, most recently a new species in the cactus genus Uebelmannia (U.nuda).
In this episode of Crime Pays, we discuss the different biomes and plant communities of Brazil, what "ecological islands" are, the biogeography of the cactus family, bat pollination in Pilosocereus, edaphic endemism in "ironstone" habitats of Northern Brazil and how iron-rich soils affect the evolution of the plants that grow on them, and why truckstop food in Brazil is not only tasty but also so damn healthy. -
Zoe Schlanger is the author of newly released book "The Light Eaters", which shines a new light on researchers studying plant "intelligence" and behavior.
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The state of Texas is one of the most diverse states for plants (and geology) in the US, and contains a large number of plant species that can't be found anywhere else in the United States, yet at the same time an enormous amount of land and plant habitat is being destroyed every day (240,000 acres a year) ,pushing more than a few plant species towards population decline.
This episode is a conversation with botanist and author Michael Eason from San Antonio Botanic Garden about plant conservation in Texas, why the Edwards Plateau is so special, walking the sometimes tenuous line between conservation and coordinating with private property owners in a state where 96% of the land is private, Texas Native Plant Landscaping, and a bunch more. -
In this we talk with Andrew Conboy about street trees, urban forestry, habitat restoration, getting stoked on native plant life and how it's practical more than puritanical, Philly, botanic gardens, and more.
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Two hours of rants about wonderful plants in Central Mexico. A follow-up to the previous episode and a description of plant species, taxonomic affinities and habitats encountered in the mountains of Querétaro and Guanajuato States, Mexico. Also a brief gear list and explanation of the various tools used when botanizing desert mountains.
Why the genus Garrya (the silktassels) is so cool,
A new Astrolepis sp. (Undescribed)
Stevia pyrolifolia (Asteraceae) - it's waxy-as$ leaves at 10,000 feet
Dyscritothamnus filifolius (Asteraceae) and the limestone cliffs and sketchy roads it inhabits
Vallesia glabra (Apocynaceae)
Spondias purpurea (Anacardiaceae)
Strombocactus disciformis (Cactaceae)
Lophophora diffusa (Cactaceae)
Mammillaria perezdelarosa ssp andersoniana
Arctostaphylos pungens (Ericaceae)
Comarostaphylis polifolia (Ericaceae)
and a ton more -
This episode sponsored by Fiberpad, where you can glue duct-taped wheatgrass and fiberglass to your face in order to clear up any blemishes nice. What can limestone do for you and how does it form?
A long, winding rant through the mountains of Querétaro about habitats and species encountered at elevations between 6,000' and 10,000' including:
Karwinskia humboldtiana (Rhamnaceae)
Baccharis conferta (Asteraceae)
Penstemon campanulatus (Plantaginaceae)
Ariocarpus kotschoubeyanus (Cactaceae)
Kadenicarpus pseudomacrochele (Cactaceae)
Isolatocereus dumortieri (Cactaceae)
Opuntia stenopetala (Cactaceae)
Pinguicula moranensis (Lentibulariaceae)
Quercus crassipes (Fagaceae)
Agave salmiana subsp. crassispina (Asparagaceae, Agavoideae)
Dasylirion longissimum (Asparagaceae, Nolinoideae)
Various Stevia sp. (Asteraceae)
featuring mountains made out of marble, seafloors made out of calcium-rich muck, and much more. -
Jeff Ollerton is a pollination biologist and researcher based out of the EU and currently working in KunMing, Yunnan Province, China. He has written two excellent books - one entitled "Pollinators and Pollination" and another entitled "Birds and Flowers" about birds as pollinators. In this nearly two hour long conversation we talk about a variety of taxa as well as ecological phenomena. I am still kicking myself for forgetting to bring up the topic of the South African monocot genus Strelitzia (Order Zingiberales) which has a weighted-lever-mechanism that allows only birds to access the stamens.
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In this episode we talk with field botanist Ernest Herrera about the rich floristic diversity of the Rio Grande Valley region of South Texas and Northern Mexico. We talk about a variety of cool plant species as well as the cultural history and cultural repression of this unique region, how it will adapt to climate change, how to change culture in order to get people to start appreciating their native flora more, how to convince people to kill their lawns, what happened to horned lizards, what's up with Texas Tortoises, and a sh*t ton more.
Ernest Herrera is a botanist, herper, and field biologist born and raised in South Texas. -
In this episode we talk about why plant "rescue" is a bullshit term, how Epipactis is probably pollinated hoverflies that it dupes, whats up with this new species of Asteraceae discovered in the Chihuahua desert, why people who don't know much about botany or ecology initially prefer non-native plants orver native ones, best place to get a Texas toast waffle machine, stealing a bus bin from Olive Garden, etc
Note : I mistakenly say Deb "described" this new species of composite. I meant to say "discovered". Blame my sleep deficit gfy -
In this episode we talk with Botanist Matt Berger about Death Valley Plants, discovering new species, Limestone endemic plants, Dune Beetles, Desert Shrimp, specifist.ecology and more.
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