Results 61 to 70 of about 28,269 (244)

Perissomyrmex Snyderi (Hymenoptera: Formicidae) is Native to Central America and Exhibits Worker Polymorphism

open access: yesPsyche: A Journal of Entomology, 1994
The rediscovery of Perissomyrmex snyderi, previously known from the two worker types, is reported. New collections were observed from two different cloud forest sites in the state of Chiapas, Mexico.
J. T. Longino, D. A. Hartley
doaj   +1 more source

Reinstatement and generic reassignment of Phyllanthus asteranthos Croizat (Phyllanthaceae) based on living plant observations and specimen analysis

open access: yesNordic Journal of Botany, EarlyView.
Phyllanthus asteranthos Croizat has been treated as a synonym of P. pulcher Wall. ex Müll. Arg. (syn. Nymphanthus glaucescens (Miq.) R.W.Bouman) since 1987. Through detailed morphological observations of living plants and critical examinations of type materials and additional specimens, this study revealed that the two taxa are morphologically very ...
Feng Yang   +2 more
wiley   +1 more source

Evergreen Brick Works: An Innovation and Sustainability Case Study [PDF]

open access: yesTechnology Innovation Management Review, 2012
Technology is rapidly being deployed to advance social innovation that creates lasting change. This case study of Evergreen Brick Works explores how Evergreen is leveraging the power of its unique new campus as a showcase for advancing sustainability ...
Seana Irvine
doaj  

Breynia phuongiana (Phyllanthaceae), a new species from the Central Highlands of Vietnam

open access: yesNordic Journal of Botany, EarlyView.
A new species, Breynia phuongiana (Phyllanthaceae subgen. Sauropus), is described and illustrated from the Central Highlands of Vietnam. It is morphologically similar to B. beillei, B. bonii, and B. thorelii, but differs in having oblong‐elliptic leaves, sepals marked with reddish striations, an androphore exceeding 1 mm in length, and distinctly ...
Van Canh Nguyen   +6 more
wiley   +1 more source

Patterns of Change in Metabolic Capabilities of Sediment Microbial Communities in River and Lake Ecosystems

open access: yesInternational Journal of Microbiology, 2018
Information on the biodegradation potential of lake and river microbial communities is essential for watershed management. The water draining into the lake ecosystems often carries a significant amount of suspended sediments, which are transported by ...
Adam Oest   +4 more
doaj   +1 more source

Typification and rediscovery of Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae) in Arunachal Pradesh, India

open access: yesNordic Journal of Botany, EarlyView.
Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae), a species long thought unrecorded, was rediscovered in 2023 after a 160‐year gap in the Upper Dibang Valley, Eastern Himalaya, Arunachal Pradesh. The study presents a comprehensive taxonomic account including lectotypification, morphological description, phenology, habitat ecology, distribution ...
Umeshkumar L. Tiwari
wiley   +1 more source

Vegetative and reproductive phenology of Aquilaria malaccensis Lam. (Agarwood) in Cachar District, Assam, India

open access: yesJournal of Threatened Taxa, 2018
Aquilaria malaccensis Lam., a threatened tree commonly called agarwood, is emerging as one of the most promising commercially important aromatic species in the world.
Birkhungur Borogayary   +2 more
doaj   +1 more source

Isoetes ×atruensis (Isoetaceae – Lycopodiopsida), a new interspecific sterile hybrid from Rajasthan of Western India

open access: yesNordic Journal of Botany, EarlyView.
Isoetes ×atruensis hyb. nov. is shown to be a triploid (2n = 3× = 33 + 1) sterile interspecific hybrid between diploid (2n = 2× = 22 + 1) I. coromandelina and tetraploid (2n = 4× = 44 + 1) I. rajasthanensis. It has been found in two locations in Rajasthan, India.
Sarvesh Kumar Singh   +4 more
wiley   +1 more source

Oreocharis konkakinhensis (Gesneriaceae) sp. nov. from the Central Highlands, Vietnam

open access: yesNordic Journal of Botany, EarlyView.
Oreocharis konkakinhensis, a new species of Gesneriaceae, is described and illustrated from the Central Highlands, Vietnam. The new species is morphologically most similar to Oreocharis phuongii, a recently described species from central Vietnam. However, it clearly differs from the latter by having stems without stolons, subulate bracts, yellow inner ...
Thi Thanh Dat Pham   +6 more
wiley   +1 more source

Evergreen

open access: yesCritique d’art
"Evergreen" is a collection of essays that explores themes of love, loss, and memory, mainly through personal anecdotes and the lens of the natural world. 
openaire   +3 more sources

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