Canada

Pine-pine gall rust on shore pine

Endocronartium harknessii

Published by Daniel Mosquin on April 15, 2020

Pine-pine gall rust or western gall rust is found throughout North America on two- and three-needle species of pine (Pinus spp.).

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Foliage spray of Thuja plicata

Thuja plicata

Published by Daniel Mosquin on February 7, 2020

The overlapping leaves of Thuja plicata are small, only 3-6mm in length (and sometimes as small as 1mm). In quantity, though, they can sustain trees exceeding 70m (230 ft.) in height.

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Flowers of Liatris punctata along the stem

Liatris punctata

Published by Daniel Mosquin on August 21, 2019

Another school year is starting soon, requiring the annual recitations of “almost always” and “most of the time” with respect to explaining plants.

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Iliamna rivularis, or mountain hollyhock

Iliamna rivularis

Published by Daniel Mosquin on June 26, 2019

It had been ten years since I last knowingly encountered Iliamna rivularis, so it was a highlight for me at last weekend’s Botany British Columbia gathering in Rossland.

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Mats of Penstemon davidsonii var. menziesii near Whistler, British Columbia

Penstemon davidsonii var. menziesii

Published by Daniel Mosquin on June 10, 2019

Menzies’ penstemon or Menzies’ beardtongue is native to British Columbia, Washington, and Oregon. Despite growing in rocky, well-draining soils, plants can be spectacularly floriferous as shown in today’s photograph.

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Glehnia littoralis subsp. leiocarpa

Glehnia littoralis subsp. leiocarpa

Published by Daniel Mosquin on November 8, 2018

Depending on the taxonomic treatment, Glehnia is either monotypic or ditypic (containing one or two species). In the recently-published Jepson Flora, a single species with two subspecies is recognized, while the Flora of China recognizes two species. However it is treated, though, there is agreement that there is a distinction between the taxon that grows […]

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Inflorescence of Kalmia angustifolia

Kalmia angustifolia

Published by Daniel Mosquin on September 14, 2018

Common names range from the poetic to the descriptive to the eminently practical. A number of common names for Kalmia angustifolia land in the latter part of the spectrum: lambkill, sheepkill, and even calfkill.

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