In Defense of Plants Podcast
A podcast dedicated to exploring the fascinating world of plants, from the smallest duckweed to the tallest redwood. Each episode delves into botanical science, ecology, and the wonders of plant life. The show aims to educate and inspire listeners about the importance and beauty of plants.
Episodes
Ep. 581 - The Complex World of Plant/Fungi Interactions
Plants are habitat. Heck, even a single leaf is habitat. Same goes for plant roots. This is especially true when we consider insects and fungi. But how do these organisms interact? How do they change over gradients of moisture, temperature, space, and time? Why do we consider some parasitic while others are mutualists? The world of ecological interactions is extremely complex but people l
Ep. 580 - Celebrating a Foundational Aquatic Plant
What could be better than a tiny plant with an outsized impact on the world around it? Hornleaf riverweed AKA Podostemum ceratophyllum is one such plant. This tiny aquatic plant has so many mysterious surrounding it but what we do know is that it is foundational to the aquatic ecosystems in which it is found. Join me and Dr. James Wood as we take a deep dive on this unique aquatic plant a
Ep. 579 - Pollen & Seed Storage Efforts
Seed storage is one of the most important tools in plant conservation, but did you know you can also store pollen? We still have a lot to learn about storing both pollen and seeds for most species, and people like Dr. Dustin Wolkis of the Center for Plant Conservation are hard at work doing just that. Join us for an interesting look at what he and his colleagues are doing to prevent plant
Ep. 578 - Trees & Their Hybrids in a Changing World
Long lived organisms like trees face a lot of challenges throughout their lifetime. Disturbances big and small coupled with climate change are going to continue to stress trees wherever they grow. Which trees have the highest capacity to deal with said stresses? We don't know until we go looking. That is what drives scientists like Dr. Jill Hamilton. Join us as we look at how she is using
Ep. 577 - Ginger Flowers & Plant Evolution
What can investigating the genes in flower development teach us about plant evolution? A lot! What started as a simple question about the quirky nature of flower development in the order of plants collectively referred to as "the gingers" turned into multiple threads related to plant evolution and diversity. Join me and Dr. Chelsea Specht as we take a deep dive into the wild world of Zing
Ep. 576 - Of Micro Moths & Plants
Micro moths are a wonderfully diverse group of underappreciated insects living all around us. How they interact with their environment, particularly with the native plants the need to survive, is both fascinating and mysterious. Join me and Dr. Jason Dombroskie as we explore the tiny world of micro moths, their host plants, and all the natural history mysteries in between. This episode wa
Ep. 575 - Endemic Plants of the Gulf Coast
The Gulf Coast of southeastern North America is a biodiversity hotspot brimming with cool plants. Everywhere you look, there are plants that grow nowhere else in the world. Why is this region so diverse? How do we try and understand the origins of endemic plants? These are the kind of questions that drive Dr. Elizabeth White. Join us as we explore what it takes to understand plant endemis
Ep. 574 - Of Alumroots & Coral Bells: Hybridization in Heuchera
Whether you call them alumroots or coral bells, there is no denying the genus Heuchera is both beloved by gardeners and those who know where to find them in the wild. The closer you look at this genus, the more interesting things you will uncover. Just ask Dr. Ryan Folk who is very interested in what these plants can teach us about hybridization and plant evolution. Join us for a wonderfu
Ep. 573 - Great Lakes Climate Refugia
Climate refugia can provide unique opportunities for plants (and more) to persist for long periods of time in otherwise inhospitable areas. They have and will continue to shape biodiversity across the globe but understanding them isn't easy. Join me and Dr. Ashley Hillman as we look at how one of the greatest lakes of them all - Lake Superior - has shaped the distribution of Arctic plant
Ep. 572 - Novel Weapons & Plant Invasions
What makes an invasive plant species invasive? A lot of effort goes in to trying to understand the ecological and evolutionary underpinnings of invasive species. Multiple hypotheses have been put forward such as the novel weapons hypothesis and allelopathy, but what do the data tell us about these concepts? The answer is as nuanced as it is interesting. Join me and Dr. Robert Colautti as
Ep. 571 - Pesticides In Your Garden
So many of us garden to attract wildlife. Adding native plants to support bees, butterflies, birds, and beyond is a fulfilling and noble cause but how can we be sure we aren't bringing unwanted pesticides home with us from plant nurseries? This can be a challenge considering the role pesticides play in so many nursery and agricultural settings. We don't have to despair though! People like
Ep. 570 - How to Grow a Forest Pt. 2
Successful forest regeneration projects require lots of different skill sets. This is especially true when trying to finance operations that work for local communities. Luckily people like Jonathan Kim of Terraformation are up for the challenge. Join us as we learn how skills outside of the biological sciences are helping make native forest regeneration successful. This episode was p
Ep. 569 - How to Grow a Forest Pt. 1
What does it take to regenerate a native forest, especially in highly degraded landscapes? A lot, to put it mildly. Forest regeneration is an important endeavor but figuring out how to do it right is the job of Terraformation's Restoration Manager Michael Sthreshley. Join is for a deep dive on how Terraformation is making native forest regeneration possible in Hawai'i and beyond. Thi
Ep. 568 - The Importance of Old Trees
Understanding forest health requires looking across scales and gradients. How individual trees respond to stresses can tell us a lot about how forests will respond to stresses over the long term. These are the kinds of ideas that motivate Dr. Sara Germain in her quest to understand the life and death of trees such as the whitebark pine (Pinus albicaulis) and its neighbors. Join us for a f
Ep. 567 - Moss Traits and More
Overlooking mosses is overlooking so many important aspects of ecosystem function. From nutrient cycles and seed banks to erosion control and atmospheric composition, mosses can play important roles. But how do we go about understand moss ecology in this way? Dr. Mandy Slate starts with their traits. How do you scale from moss adaptations for dehydration to things like carbon and nitrogen
Ep. 566 - The Wonderful World of Bryophytes
Bryophytes, AKA mosses, liverworts, and hornworts, are ubiquitous components of ecosystems around the world yet they are all too often underappreciated. Luckily, people like Brittney Miller are doing everything in their power to change that. What started with immense frustration turned into a life-long love affair with all things bryophyte. Join us for a wonderful deep dive into the secre
Ep. 565 - Let's Botanize!
Botanizing is a skill set that, like muscles, must be exercised regularly. Whether just starting out or a seasoned specialist, botanical ID takes repetition. That doesn't mean it has to be dry or boring! My guests today are Dr.'s Ben Goulet-Scott and Jacob Suissa of Let's Botanize. When they aren't teaching about and researching plants, they are producing lots of great videos helping to c
Ep. 564 - Leaf Fossils from a Hot House Climate
Journey back in time some 60 million years to the Cenozoic with Dr. Ellen Currano by looking at fossil leaves. Aside from just being cool, leaf fossils can tell us a lot about the ecology of long extinct ecosystems. For instance, leaf margins can tell you about things like temperature while leaf size can tell you about precipitation. Also, looking at fossilized insect damage can reveal im
Ep. 563 - The Harmful Consequences of Mosquito Sprays
Mosquito sprays and fogs only kill mosquitos, right? Wrong! The kinds of pesticides used to control mosquito populations are lethal to all manner of insects and other invertebrates. The use of these chemicals can have serious impacts on biodiversity and their marketing doesn't tell this side of the story. Join me and Dr. Aaron Anderson of the Xerces Society for Invertebrate Conservation a
Ep. 562 - Life After Poaching
Plant poaching is a multi-billion dollar industry worldwide and it doesn't get the attention it deserves. While the act of poaching plants from the wild ravages species and ecosystems alike, what happens to plants after the poachers have been caught? That is exactly what we are talking about in this episode. Director of Horticulture for the San Diego Zoo Safari Park Raj Brown joins us to
Ep. 561 - The Soil Seed Bank & Restoration
What is the soil seed bank and how does it influence the outcomes of restoration ecology? Seeds of various species can remain in the soil over a range of time periods and when and why they emerge has the potential to improve restoration outcomes. Join me and Dr. Akasha Faist as we examine the influence soil seed banks can have on habitat restoration. This episode was produced in part by N
Ep. 560 - Revisiting Earth's First Forests
The Devonian Period was for plants what the Cambrian Period was for animals. Land plants really started to experiment with new forms of growth some 380 million years ago which led to the establishment of the first forests on Earth. We revisit a conversation with Dr. Chris Berry who was part of the team that recently discovered the oldest fossil evidence of forests. As you are going to hea
Ep. 559 - Looking Back on a Year of Botany
The wonderful Sara Johnson returns to the podcast to look back at a year of botanizing in 2025. Join us as we celebrate our favorite botanical encounters of last year. This episode was produced in part by Matthew, April, Dana, Lilith, Sanza, Eva, Yellowroot, Wisewren, Nadia, Heidi, Blake, Josh, Laure, R.J., Carly, Lucia, Dana, Sarah, Lauren, Strych Mind, Linda, Sylvan, Austin, Sarah, Eth
Ep. 558 - Insights into Pitcher Plant Evolution
The drivers of evolution that result in the diversity of life we see around us are complex and fascinating. Nowhere is that more apparent than in pitcher plant genera like Nepenthes and Sarracenia. Join me and Dr. Kadeem Gilbert as we explore the myriad ways he and his colleagues try to tease apart the evolutionary ecology of these enigmatic carnivorous plants. This episode was produced i
Ep. 557 - How to Help Fireflies
Fireflies, lightning bugs, whatever you call them, these wonderful bioluminescent beetles are wonderfully diverse, occur in a variety of habitats, and they need our help. Habitat loss is causing declines for many species but there is a lot we can do to reverse this loss! Surprise surprise, a lot of it involves native plants. Join me and Ben Pfeiffer of Firefly Conservation & Research
Ep. 556 - From Seeds to Plants: A Plant Conservation Pipeline
Plant conservation comes in many forms. Today we explore a plant conservation pipeline that starts with propagation and continues through to reintroducing rare plants back into the wild. Conservation Collections Manager for the Desert Botanical Gardens Steve Blackwell takes us behind the scenes of the Garden’s living collection, where rare, threatened, and endangered species are collected
Ep. 555 - The Rookie Gardener
Gardening can be a daunting enterprise, especially for a beginner. Heck, even skilled gardeners still kill plants. The quest to become a better gardener is a lifelong journey and thanks to people like my guest today, taking the leap doesn't have to be scary. Joining us is horticulturist and author Chloe Foster who has written an amazing book called "The Rookie Gardener" to help you in you
Ep. 554 - How Plants Handle Heat Stress
Heat stress is a major component of plant health and it in growing more and more timely each year. Understanding how plants do or do not tolerate heat can teach us a lot about not only individual species, but communities and habitats as a whole. Joining us to talk about this is Dr. Brad Posch who is trying to understand the consequences of heat stress at the leaf level. He and his colleag
Ep. 553 - Soil Microbes & Desert Plant Restoration
Deserts present a unique set of challenges to plants, especially when you are trying to restore them to the landscape. Drought, heat, soil salinity and more can make desert plant restoration seriously challenging. Luckily, Ali Schuessler and her colleagues at the Desert Botanical Garden are working hard to understand if soil microbes like fungi can help put ecosystems back together. Join
Ep. 552 - Native Plant Seed Supply Chain
One of the biggest hurdles to native plant gardening is sourcing native plants. Whereas nurseries are starting to fill the demand, it is nevertheless difficult to keep up with demand. Sourcing seed from the wild is a major part of this process, but how do we do it ethically? Stripping native plant populations of their seeds isn't good for the habitats they comprise so this is where groups
Ep. 551 - Sagebrush, Pitcher Plants, & Leaf Microbiomes
Microbes are everywhere and studying them isn't always easy, but microbial ecology is a vitally important field. Microbes influence the world around them in numerous ways and trying to understand how they do that with plants is where people like Dr. Leonora Bittleston come in. Join us as we explore the leaf microbiomes of sagebrush (Artemisia tridentata) and various species of pitcher pla
Ep. 550 - For the Love of Flowers (feat. Sam Tallent)
People are drawn to plants for various reasons and that is why I wanted to talk with stand up comic and author Sam Tallent. From his early days hauling rocks out of his mom's garden to his desire to bring beauty into his neighborhood, Sam is diving head first into the world of plants. Join us as we explore his love for flowers and learn why their presence means to much to him in a world d
Ep. 549 - Advocating for Fallen Leaves
Fallen leaves provide habitat to countless organisms and maintain crucial ecosystem processes. At the same time, convincing people to keep leaf litter on the landscape is a serious challenge. Leaving the leaves needs effective advocacy more than ever and that is where people like National Wildlife Federation Naturalist David Mizejewski come in. With October being Leave the Leaves Month, D
Ep. 548 - Gall Wasps & Their Host Plants
Galls are among the most remarkable biological structures on our planet. The organisms that produce them are also extreme diverse and contribute a bewildering amount of biomass to their habitats. Some of the most fascinating gall makers are the gall wasps. This group of organisms is still woefully understudied but people like Dr. Louis Nastasi are trying to change that. Join us as we take
Ep. 547 - Ancient Tree Stories
Have you ever looked at an old tree and wondered what stories it could tell? If so, this is a conversation for you! Dr. Valerie Trouet returns to the podcast to talk about her wonderful collaborative book "In the Circle of Ancient Trees" in which she and 11 other authors talk about the ancient trees they study as dendrochronologists and how they have helped them understand everything from
Ep. 546 -Botanical Art Connects People to Plants
Botanical art and science truly feed off of one another. A good botanical artist must understand their subjects to do them justice which fosters a deeper understanding and appreciation for the plants, their habitats, and their role in ecosystems around the world. Join me and botanical artist Carol Woodin as we explore her love of botanical art and her role in helping the American Society
Ep. 545 - The Dynamics of Kelp Forest Ecology
Kelp forests are among the most important marine habitats on our planet. They impact our lives in countless ways whether we realize it or not. To protect and restore kelp forests, we must first understand their complex dynamics and that is exactly what people like Dr. Aaron Galloway are trying to do. Listen in as we learn how he and his colleagues use everything from fatty acids to satell
Ep. 544 - Helping Move the Needle on Sagebrush Restoration
Big sagebrush (Artemisia tridentata) is a foundational species in the ecology and economy of much of western North America. It also faces numerous threats. From invasive grasses and mega wildfires, it is important that we learn how to better restore sagebrush and the habitat it provides. That is where people like Dr. Trevor Caughlin come in. Join us as we look at how he and his lab are le
Ep. 543 - Cryptic Ghost Pipe Diversity
Ghost pipe (Monotropa uniflora) has captured the imaginations of many a hiker and can you blame them? What is not to love about a parasitic plant that bucks all the traditional plant trends? For as charismatic as this ghost pipe is, we still have a lot to learn about it. For instance, what has largely been considered a widespread single species turns out to by two. Join me and Ashley Kees
Ep. 542 - The Passion Flower Family Revisited
It is time to revisit this episode is all about the passion flower family - Passifloraceae. Joining us is long time friend of the podcast, the one and only Rebecca Hilgenhof. Rebecca is extremely passionate about this group and I can't think of a better person to dish out an eloquent introduction to these wonderful plants. This episode was produced in part by Yellowroot, Wisewren, Nadia,
Ep. 541 - Coexistence & Maintaining Species Boundaries
How are species boundaries maintained when groups of related plant species live near each other? Considering all the things that need to go right for a plant to survive and reproduce, this is not an easy question to answer. Luckily, the genus Lobelia offers multiple opportunities to explore concepts related to plant coexistence and evolution and that is exactly why Dr. Andrea Case is draw
Ep. 540 - Orchids for Peace
Orchids for Peace believes orchids are symbols for both peace and biodiversity. By empowering communities to conserve these plants, this wonderful organization encourages environmental stewardship and fosters a future where nature and humanity thrive together. Join me and founder Dr. Tatiana Arias as we explore why she started Orchids for Peace and how you can lend a hand in their mission
Ep. 539 - Exploring the Seed Microbiome
Microbes are everywhere, even in seeds! Indeed, seeds from various plants can host a community of different microbes. Despite how cool this sounds, we still have a lot to learn about seed microbiomes. Join me and Dr. Gilliam Burgmann as we explore questions like what kinds of microbes are present in seeds? How do these communities differ? Are microbes good, bad, or indifferent to the seed
Ep. 538 - Coastal Wetlands, Rising Seas, & Ghost Forests
Coastal wetlands are among the most productive ecosystems on our planet. They are a boon for plants, animals, and people alike. However, sea level rise is changing these ecosystems and the communities that rely on them. Join me and Dr. Keryn Gedan as we explore the links between sea level rise, wetland migration, and ghost forests and learn how communities are bracing themselves for adapt
Ep. 537 - From Seeds to Climate
Large seed dispersers are disproportionately affected by human disturbances like habitat loss and poaching. At the same time, a disproportionate number of tropical tree species rely on animals for seed dispersal. What happens when these animals disappear from an area? Do forests suffer and how might this impact things like carbon cycling and climate? Join me and Dr. Evan Fricke as we expl
Ep. 536 - Tropical Forests & Loss of Seed Dispersers
Seed dispersal is a vital ecological process no matter what scale you look at. From the genetic diversity of plant populations to the impact of forests on climate, how plants move around the landscape and regenerate is one of the most important processes on Earth. So, what happens when plants lose seed their seed dispersers? How do things like poaching and habitat loss affect these ecolog
Ep. 535 - Quillworts Revisited
Their ancestors once dominated the coal swamps of the Carboniferous Period, growing into massive trees that could reach upwards of 160 feet (50 m) into the canopy. Today, the quillworts (Isoetes spp.) are all that remains of this lineage. Though cosmopolitan in their distribution, quillworts can be hard to find unless you know where to look. Luckily, there are people like Dr. David Wickel
Ep. 534 - Self-Incompatibility in Phlox
Self-Incompatibility is a means by which some plants prevent self-fertilization and promotes outcrossing. It has evolved independently in many different groups and plays a very important role in the ecology, evolution, and conservation of different species. In this episode, I sit down with Dr. Grace Burgin to explore the multitude of ways she is trying to understand self-incompatibility i
Ep. 533 - Native Plants & Biodiversity on the High Line
The High Line was once a major railway. Today, it is one of the best gardens in the United States. By focusing on and encouraging native plants, horticulturists at horticulture at the High Line is supporting biodiversity in one of the busiest cities on the planet. Join me and senior director of horticulture Richard Hayden as we explore what makes the High Line so special for wildlife and
Ep. 532 - Fireflies & Plants Revisited
Fireflies are among the most celebrated organisms on Earth. What is not to love about their incredible light displays? However, fireflies can't exist without habitat and plants are that habitat. Revisit a conversation between Dr. Sara Lewis and me as we discuss some of the intriguing connections between fireflies and plants. This episode was produced in part by Dana, Sarah, Lauren, Strych
Ep. 531 - Native Plants Feed Ecosystems
This episode explores the nuances of why it is so important to plant native plants. Native plants are the cornerstone of nearly every ecosystem on Earth because they are both food and habitat wrapped into one. Join me and Dr. Desirée Narango as we explore how native plants feed ecosystems. This episode was produced in part by Dana, Sarah, Lauren, Strych Mind, Linda, Sylvan, Austin, Sarah,
Ep. 530 - Our Relationship with the Joshua Tree
The Joshua tree (Yucca brevifolia) has attained celebrity status in recent times, but that hasn't always been the case. For over a century, the Joshua tree was viewed as a useless and repulsive plant that bucked all attempts to tame it. How our relationship with Yucca brevifolia went from hatred to worship is the topic of "Yuck", in which author Barret Baumgart dives into the history of t
Ep. 529 - Native Plants, Habitat, & Infectious Diseases
Whether you realize it or not, our lives depend on the native plant communities that comprise and support regional biodiversity. As we lose habitat, we lose species, and we lose the checks and balances that keep the living world functional. Scientists are increasingly uncovering the links between human health issues like infectious diseases and biodiversity loss and that is exactly what D
Ep. 528 - Flower Color is Complex
On face value, flower colors would seem to have everything to do with pollination, but it is far more complex than that. The pigments that give flowers the colors we can see can have many different functions and how they evolve is a fascinating realm of research. Join me and Dr. Andrea Berardi as we explore floral coloration in two genera - Silene and Petunia. This episode was produced in
Ep. 527 - A Deep Dive on Medinilla
Understanding the relationships among plants can reveal so much about the history of our planet and the mechanisms of evolution. This is why Dr. Peter Quakenbush has spent so much time trying to understand the genus Medinilla. You might be most familiar with Medinilla magnifica as a popular houseplant, this it is only the tip of the iceberg when it comes to the diversity of this genus. Jo
Ep. 526 - Biodiversity & Ecosystem Function
Changes in biodiversity are happening all over the globe. From losses to homogenization, understanding the affects of biodiversity change are paramount to understanding how ecosystems function. Nowhere is this more apparent than with plants. Join me and ecologist Dr. Jake Grossman as we explore the links between tree diversity and ecosystem functioning. This episode was produced in part b
Ep. 525 - Lessons from Ancient Grasslands
Say "old growth" and we all too often picture ancient forests with large, gnarly trees. However, forests aren't the only habitat types that can reach old growth status. Prairies, savannas, and woodlands can be old growth too and it is vital that we both protect and learn from them as they are one of the rarest habitat types on Earth. Join me and ecologist Dan Carter from The Prairie Enthu
Ep. 524 - Tackling the Oval Sedges
Sedges (genus Carex) can be an intimidating group of plants to get your head wrapped around, but it doesn't have to be that way. One key element to understanding them is knowing what to look for, which is why I am so excited to talk about a new book/key to the oval sedges - “Carex of Illinois and Surrounding States”. Join me and authors Michael Murphy, Greg Spyreas, and Paul Marcum as we
Ep. 523 - Prickly Pear Cacti Are Wonderfully Complex
The odds of encountering a prickly pear cactus (Opuntia spp.) in your lifetime is high no matter where you live. That is how abundant, diverse, and charismatic these cacti truly are. For all of their intrigue, so much about these spiny succulents remains a mystery. Trying to understand their diversity is fraught with challenges, both physical and academic, but that hasn't dissuaded people
Ep. 522 - Shocking Relationships Between Trees & Lightning
Getting struck by lightning is always thought of as a bad thing, but what if it wasn't? Trees can't get up and escape when storms roll in and the chances of one getting struck by lightning increases as they grow taller. For at least one species of tropical tree, getting struck could actually be beneficial not only to individuals but also populations. Join me and Dr. Evan Gora as we look a
Ep. 521 - Plant Conservation from the Sky
Go looking for information on rare plant population health and it can be surprisingly hard to come by. Plant monitoring, especially over the long term, is a challenge and data have not always kept up with the need. Dr. Michelle DePrenger-Levin and her colleagues at the Denver Botanic Gardens are doing their part to fix this and using some cool technology in the process. Join us as we disc
Ep. 520 - Saving Orchids!
What does it take to save orchids from extinction? Saving Orchids by Dr's Philip Seaton and Larry Zettler showcase the dedicated folks who are making it happen across the world. From why orchids need our help to cultivating in the lab and returning them to the wild, Saving Orchids is an inspirational read for anyone with even the slightest interest in nature and conservation. Join us for
Ep. 519 - Sonoran Desert, Past & Future
Visit the Sonoran Desert and you too will fall in love with its beauty and diversity. It is truly one of the most incredible places on earth. Dr. Ben Wilder agrees which is why he has dedicated his life to understanding the history of the Sonoran flora and using that knowledge to help ensure it has a future. Join us for a celebration of all things Sonoran Desert. This episode was produced
Ep. 518 - The Complexities of Plant Reproduction
What does it mean to be a successful plant? Reproduction? Population growth? What factors influence these important events and which contribute more to a population through time? The answers to these questions are very complex and climate change is only making things harder to understand. Dr. Amy Iler and her colleagues are not afraid to try and tackle such questions. Join us as we explor
Ep. 517 - Demystifying the Woolly Devil
The woolly devil (Ovicula biradiata) is a fascinating and unique member of the daisy family (Asteraceae) that was only recently described to science. It was first found in Big Bend National Park in Texas and serves as an important reminder of not only the need for protecting wild places but also how little we still know about the natural world. Join me and Dr. Isaac Lichter Marck as we di
Ep. 516 - Plants in the Afterlife
Plants ARE habitat and that doesn't stop when they die. Countless species of microbes, fungi, arthropods, and more not only take up residence in dead plant material but also require it to complete their lifecycle. My guest today is Dr. Amy Zanne and she spends a lot of time thinking about the things that live in dead wood and their impacts on the world around us. As you will hear, these o
Ep. 515 - Phenology is Important
The emergence of leaves, the blooming of flowers, the arrival of pollinators... these are all biological events that are closely tied to the changing seasons. The study of this linkage is called Phenology and my guest today wants to share her passion for this wonderful world of inquiry. Join me and Dr. Theresa Crimmins as we discuss the USA National Phenology Network and her new book "Phe
Ep. 514 - Parent/Offspring Conflicts in Moss
Parents and children don't always get along. Sometimes they can even be competitors. Conflicts often lead to interesting evolutionary adaptations and mosses are no stranger to this. Join me and Dr. Jessica Budke as we explore a familial tug of war going on all around us. This episode was produced in part by Rich, Shad, Maddie, Owen, Linda, Alana, Sigma, Max, Richard, Maia, Rens, David, Ro
Ep. 513 - The Enigma of the Galax Genome
Spend any time in the southern Appalachian Mountains and you are bound to cross paths with Galax urceolata. This wonderful little evergreen herb seems to be at home in a variety of habitats from forest streams to granite outcrops and everywhere in between. It is also culturally significant and even suffers from poaching in some areas. Despite its place in Appalachian ecology and history,
Ep. 512 - The Complexity of Mangrove Ecosystems
Mangrove forests are dynamic places and so too are the people that study them. From carbon capture and peat formation, to restoration and hydrology, these coastal habitats offer curious minds plenty to ponder. Join me and Dr. Luke Lamb-Wotton as we explore the wonderfully complex world of these coastal ecosystems. This episode was produced in part by Rich, Shad, Maddie, Owen, Linda, Alana
Ep. 511 - Paw Paw Randomness
Paw paw (Asimina triloba) is a charismatic and special species. It is the most northerly growing member of a mostly tropical family. It also has considerable influence on its herbaceous neighbors. Join me and PhD student Anna Wassel as we explore the random world of pawpaw and understory herb community assembly. This episode was produced in part by Shad, Maddie, Owen, Linda, Alana, Sigma,
Ep. 510 - Epiphytes & Phorophytes
Mosses, liverworts, and lichens live in a world of their own. Not unlike the trees they grow on, these tiny organisms must play out the dramas of obtaining the water, nutrients, and light they need to survive, they are just doing so on a much smaller scale. At the same time, they are supporting their own food webs that scale far bigger than their own lives. Join me and Dr. Greg McGee as w
Ep. 509 - The Power of Biotic Resistance
Invasive species reduce native biodiversity and hinder an ecosystem's ability to support life, including our own. Managing invasive species can be very challenging, but that doesn't intimidate people like Dr. Mike Schuster. Learn how he and his colleagues are using the ecological principal of biotic resistance to study how some native plants such as rye grasses (genus Elymus) can help con
Ep. 508 - The Cashew Family Revisited
What do cashews (Anacardium spp.), mangoes (Mangifera spp.), pistachios (Pistacia spp.), and poison ivy (Toxicodendron spp.) have in common? They are all members of the family Anacardiaceae! Revisit this conversation with Executive Director at the United States Botanic Garden, Dr. Susan Pell, who has devoted her career to understanding this incredible and surprisingly diverse family. Join
Ep. 507 - The Beginning Revisited
January 2025 marks the 10 year anniversary (!!!) of the In Defense of Plants Podcast. To celebrate, I thought it would be fun to revisit the first episode of the podcast. Travel back a decade to a tiny, old Buffalo NY apartment where a young and naive Matt waxes poetic about his love for jewel orchids (Ludisia discolor) as a blizzard rages outside. This episode was produced in part by Lin
Ep. 506 - The Digital Future of Herbaria
The herbarium world is a fascinating one. These botanical repositories are goldmines of data and help us understand the present by looking at the past. But what kind of future questions can herbaria help solve? Experts say the opportunities are endless, but we will need new technologies to take full advantage. Join me and Curator and Director of the Herbarium at Missouri Botanical Garden,
Ep. 505 - Leave the Dang Leaves!
Leave the leaves! It is a phrase you hear a lot these days, but why is it so important to keep leaves and other plant debris on your landscape? These are the questions that drive Dr. Max Ferlato. Leaf litter and other plant debris provides vitally important habitat for myriad organisms including species important for pollination and pest control. Moreover, a little bit of leaf litter can
Ep. 504 - The Genetic Mysteries of Creosote Bush
What is a species? On the surface, this seems like an easy question to answer. Get a bunch of biologists in the room together and you will quickly see it can be a bit of a loaded question. Questions like this are what drive scientists like Dr. Robert Laport. By looking at genome duplication events in plants like creosote bush (Larrea tridentata), he and his lab are curious how vast differ
Ep. 503 - Pollen Specialization
Bees run the gamut from generalists to specialists. Whereas the generalists visit a variety of plants for the resources they need, many specialists exist on a single species. Such is the case for at least 20 different bees living in Southwestern North America who specialize on the pollen of the creosote bush (Larrea tridentata). In geologic terms, creosote is a relative newcomer to the So
Ep. 502 - Unearthing the Mysteries of Underground Storage Organs
Tubers, corms, taproots, bulbs... There are many different kinds of underground storage organs in the plant world. Moreover, they form from many different kinds of plant tissues. This begs the question, why are there so many variations on the theme of energy storage? Join me and Dr. Carrie Tribble as we explore phylogenetic and trait-based approaches to understanding the evolution and dev
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