invasive species

Snowberry Symphoricarpos albus sketchbook study sheet, showing details of plant

Trumpet bush Cecropia peltata showing a section of a much larger tree

Trumpet bush Cecropia peltata pen and ink line drawing

Water primrose Ludwigia grandiflora showing submerged and emergent leaves.  For FSC.

Beavers Castor canadensis with beaver dam.  Illustration based in Tierra del Fuego, where introduced beavers have damaged the closed ecosystem. Illustration from The Hidden Universe: Adventures in Biodiversity by Alexandre Antonelli

Alaskan lupin Lupinus nootkanensis plant showing leaves and blue flowering spikes.

Nootka lupin Lupinus nootkanensis flowering spike in sketch style, watercolour & graphite

Nootka lupin Lupinus nootkanensis sketchbook studies showing details of leaflets, seed pods, seeds, root, habit sketch, and flower cross sections.

Nootka lupin sketch with notes showing details of leaflets, seed pods, seeds, root, habit sketch, and flower cross sections.

Habit sketch of Heath Star-moss Campylopus introflexus growing on limestone boulder.

Heath Star-moss Campylopus introflexus illustrations showing wet moss with white apical hairs.

Heath Star-moss study showing the moss in wet and dry states, and botanical details

Heath Star-moss study with notes showing the moss in dry and wet form and with botanical details

Cow Parsley sketchbook study sheet.  Detail of seed head, flowers, and leaves and roots are shown.

Cow Parsley sketchbook study sheet with written notes.  Detail of seed head, flowers, and leaves and roots are shown.

Habit sketch of Cow parsley Anthriscus sylvatica with hollow stem & leaf attachment detail

Cow parsley Anthriscus sylvaticus Habit sketch showing entire plant.

Brass Buttons or Buttonweed  Cotula coronopifolia with habit sketch, detail of flowering head, and amplexicaul leaf details.  Seeds and seed distribution, along with the variety of leaf forms are also shown.

Wild Parsnip Pastinaca sativa sketchbook study.  Illustration shows comparison with the cultivated parsnip plant, Pastinaca sativa sativa.  It also includes details on the petiole, flower, umbel, seed head, seeds, and root.

Spreading Cotoneaster Cotoneaster divaricatus Sketchbook study showing leaf vein patters, underneath of leaves, twigs, branching pattern, and autumn foliage.  Also shown are details of the Spreading cotoneaster berry, flowers, cross section of a flower, and habit sketch.  For more on cotoneaster species, look at my blog.

Snow-in-Summer or Dusty Miller Cerastium tomentosum sketchbook study showing habit sketch and detail of an asexual sprig. Seed and seed coat detail, calyx, leaf, flower and flower cross section are also depicted.  Details of the bud and fur on leaf also appear.

Sycamore Acer pseudoplatanus Sketchbook Study page showing blossom, individual flowers, seeds and leaves.  Also includes comparison to the Field Maple Acer campestre and the Norway maple, Acer platanoides.

Caucasian Stonecrop Sedum spurius sketchbook study.  Illustration shows details of plant, flowers, a habit sketch, and an individual flower.  Also includes details of the leaf edge, and Sedum spurius purpurea plant (Dragon’s blood sedum).

Siberian Stonecrop Phedimus hybridus or Sedum hybridum sketchbook study with habit, flower detail and cross section, seed and fruit detail.