IN NATURE (November 14, p. 711) Mr. Stuart Thompson alludes to the woolly-headed thistle—Cirsium eriophorum—being found at Chewton Keynsham, and remarks that it was from specimens gathered ...

Arceuthobium vaginatum (Humb. & Bonpl. ex Willd.) J. Presl subsp. vaginatum. National Museum of Natural History. Object Details Biogeographical Region 79 - Mexico Central Collector J. Marzuez R.

Arceuthobium vaginatum var. cryptopodum (Engelm.) Cronq. National Museum of Natural History. Object Details Biogeographical Region 76 - Southwestern U.S.A. Collector-- Gilbert Expedition Wheeler ...

The first growing period (gp 1) began the fourth week of November (spring in the Southern Hemisphere) and data of eight replications (containers) were scored at eleven dates until final February.The ...

Phosphorus (P) limitation often constrains biological processes in Arctic tundra ecosystems. Although adsorption to soil minerals may limit P bioavailability and export from soils into aquatic systems ...