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Cyanea kuhihewa: Rediscovering one of Hawai'i's rarest trees

With 90% of its nearly 1,400 native plants classified as endemic, Hawai'i has one of the highest levels of endemism of any floristic region of the world.

Resource
2/25/20
Bartlett: Needle Diseases of Conifers

Needlecast and needle blight are terms applied to a variety of foliage disorders of many coniferous species. These diseases are usually more severe on young trees or on trees growing outside of their natural range.

Resource
2/10/20
Mycorrhizas for a changing world: Sustainability, conservation, and society

Mycorrhizal fungi, of all types, hold huge significance for our planet and society. By forming mutualistic symbioses with the vast majority of land plants, mycorrhizas play an essential role

Resource
1/29/20
Chilling consequences: Herbarium records reveal earlier reproductive phenology of winter annual gladecress in a wetter, cooler climate

Plant phenological responses to global warming are well studied. However, while many locations are experiencing increased temperatures, some locations are experiencing climate cooling.

Resource
1/29/20
Can invasive species replace native species as a resource for birds under climate change? A case study on bird-fruit interactions

Wild fruits are an important food source for many north temperate-breeding landbirds during autumn migration and, in turn, birds provide the service of seed dispersal.

Resource
1/16/20
Lightning Protection for Trees

Thousands of trees are struck by lightning every year. These trees will have varying degrees of damage ranging from complete shattering and destruction of the tree, to a slow lingering death, to virtually no apparent damage at all (Figure 1).

Resource
12/12/19
Network modelling, citizen science and targeted interventions to predict, monitor and reverse bee decline

Pollination is fundamentally important to ecosystem function and human food security.
Recent reports of dramatic insect declines, and pollinator decline in particular,

Resource
11/15/19
Conifer Care

Conifers are commonly planted in North America to provide year-round screening, as windbreaks or as focal trees in the landscape.

Resource
11/14/19
Research Gaps and Challenges in the Conservation and Use of North American Wild Lettuce Germplasm

The North American crop wild relatives (CWR) of lettuce (Lactuca L.) represent an underexplored

Resource
11/1/19
Ex situ conservation of plant diversity in the world’s botanic gardens

Botanic gardens conserve plant diversity ex situ and can prevent extinction through integrated conservation action. Here we quantify how that diversity is conserved in ex situ collections across the world’s botanic gardens.

Resource
10/14/19

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