The Saguaro Cactus: Emblematic Plant of the American…
Specimen StoriesWhat's in a name?
With its tall, columnar shape and upward-bending branches, the cactus we know…
Old Man's Beard: A Medicinal Lichen
Usnea is a genus of lichen, commonly known as Old Man’s Beard. …
Love Potions & Charms
Love potions and charms are mentioned countless times throughout literature; from ancient…
An Unrequited Botanical Love Story
The love of botany is responsible for both fostering and hindering this…
Fungi of Australia
As the continent of Australia continues to burn, scientists wonder what these…
Surviving the Fires of Australia
Amid the tragedy of the Australian fires, the Wollemi Pine is a…
Myanmar Mystery Solved
Working in a Herbarium sometimes requires detective work. This Myanmar mystery started…
Typical: Christmas in the clouds
Bassett Maguire (1904–1991), a botanist who spent the majority of his career…
Ascension Island: Volcanoes, Castaways, and Darwin’s Manmade Forest
One million years ago, a volcano broke the surface in the middle…
Confetti
No party is complete without confetti—especially when ringing in the new year.…
Eight Days of Oil
Oil has a special significance for those who celebrate Hanukkah. This Jewish…
Yuletide Greetings
European winter traditions that predate Christianity have a large focus on plants.…
Christmas Tree Species
Though most Christmas trees are in the pine family, Pinaceae, they are…
Mulled Cider
Put these fruits, seeds, bark, and flower buds together to get mulled…
People for Scale
A picture is worth a thousand words, and sometimes it's easier to…
Mums the Word
With their vibrant purples, deep reds and bright yellows, Mums (or Chrysanthemums) are always…
Witches!
Cabinet of CuriositiesWhat's in a name?
Don't be too scared by these witches - just some friendly plants…
Botanical Lessons
Botany students must learn the structures of flowers in all their intricate variety.…
Typical: Ceratozamia euryphyllidia, the largest type?
Plant specimens come in all shapes and sizes, but they are usually…
Life in Slot Canyons
Cabinet of CuriositiesExpeditions
Slot canyons are deep channels eroded into rock. They are often ten…
Alpine Invaders
Climate Change can negatively impact Alpine regions by making them more susceptible…
Alpine Adaptation: Stay Shaggy!
Temperatures may be low but sun-exposure is extremely intense at high-elevations due…
Alpine Adaptation: Red is the New Black
Hairs are one way to deflect damaging UV radiation while locking in…
Alpine Meadows
Alpine meadows exist where soils have deepened and matured through centuries of…
Climate Change & Alpine Retreat
Temperature and moisture availability are factors which influence the distribution patterns of…
Treeline Expansion
The absence of trees at high-elevations both defines Alpine zones and is…
"Citizen Scientists" Support Alpine Research!
Increases in temperature and changes to the availability of moisture and snow…
Alpine Adaptation: Dig-Down & Stand Your Ground
Extreme conditions at high-elevations tend to impede the establishment of annual plants…
Alpine Refugia
Mountaintops have served as unlikely shelter for populations of cold-adapted species throughout…
Alpine Adaptation: Hold Tight & Take It Slow
These prototypical "cushion plants" are extreme alpine specialists. Short and dense branching…
Extreme Alpine Plants
Cabinet of CuriositiesExpeditions
Few places on the land's surface present weather conditions that are more…
Fragile Alpine Ecosystems
Relatively few organisms are sufficiently adapted to the harsh conditions of Alpine…
Alpine Adaptation: Duck and Cover
Leaves and flowering stems flattened to the ground and outwardly spreading from…
Alpine Adaptation: Solid As A Rock
Lichens are the primary colonizers of new habitat in alpine regions. Unlike…
Maize & Teosinte
Maize (Zea mays), or corn, is a domesticated cereal crop native to…
Traveling Plants: Plants on the move
Plants might not be able to move the way animals do, but…
Traveling Plants: People lend a hand
Plants have lots of ways they can move and distribute their propagules…
Firewood and pathogens
As plants travel the world with people, these plants can bring along…
Tumbleweeds
Tumbleweeds aren’t restricted to one species or plant family, but are an…
Duck dispersal
As more land is developed, plants have an increasingly difficult task of…
Ballast Plants
Ships transporting cargo and passengers use ballast to stabilize the ship at…
Hitchhikers
Some plants have evolved to literally hitchhike on passing animals. They have…
Seeds go ballistic
Getting help is great, but sometimes you just have to do something…
Fruit-eating lemurs
Given the abundance of tasty fruit, it is clear that many plants…
Escapes from cultivation
Humans have a long history of moving and cultivating plant species. But…
Traveling Plants
While plants can’t walk, they can definitely travel. Plants have evolved a…
Indicators of past settlement
Humans alter the environments where they live and we can use those…
Aquatic Hitchhikers
Although all plants need some water to grow, aquatic plants have adapted…
Rice and its Wild Relatives
Humans have been farming rice for approximately 10,000 years. The two major…
Bioremediation
Bioremediation is the use of living organisms to remove contamination from the…
Autumnal
Grab a warm beverage and your favorite sweater—the colors on these specimens evoke…
Herbarium Specimens Show Changes in Carbon Dioxide Levels
It has been documented that since the industrial revolution there has been an…
Herbarium Specimens Show Changes in the Landscape
Changing climate means changing landscapes. Herbarium specimens document what plants are growing in…
Phenology and Herbarium Specimens
As habitats get warmer, a plant's life cycle can change. For example, when spring…
Climate Research and Herbarium Specimens
Climate research requires lots of data. Data about the conditions on earth now,…
Studying the DNA of Herbarium Specimens
Molecular biologists study the DNA of plants. They use this data to identify…
Exploring the Bahamas with Lewis Jones Knight Brace
The Bahamas suffered its worst natural disaster recently as Hurricane Dorian, a…
Learning from Extinct Plants
Specimen StoriesFocus on Science
From the woolly mammoth to the passenger pigeon, many extinct species owe…
Ghost Forests of the Mid-Atlantic
One of the most visually apparent impacts of climate change are the emerging…