The National Vascular Plants Identification Service

As part of their research program, Agriculture and Agri-Food Canada (AAFC) staff are able to provide expert identifications for government, industrial, university and private clients. Fees may be applied according to an hourly rate. Identifications are provided only for plant groups for which there is a resident expert and through prior arrangement to ensure availability.

Following is a list of staff, their contact information and the groups for which they may be able to provide identifications and expert advice.

Collections manager

Shannon Asencio


Research Scientists

Jacques Cayouette, Ph.D.
Poaceae of Canada - forage and field crops (Poa, Bromus, Elymus), Panicum, and maritime species of Carex, characterization of natural hybrids (Poaceae Cyperaceae), boreal and arctic plants, crop weeds, flora of Québec-Labrabor, emphasis on open environment (shorelines alvars), botanic expertise provided to police departments.

James Macklin, Ph.D
Biodiversity Informatics. Crataegus and Rubus species.

Sara Martin, Ph.D.
Brassica and relatives, crops and weeds, biotechnology.

Ernest Small, Ph.D.
Medicinal plants, legume forages, Medicago, culinary herbs, vegetables, hemp.

Tyler Smith, Ph.D.
Graminoids, especially sedges and native plants of economic importance.

Honorary research associates

Paul M. Catling, Ph.D.
Clonal crop relatives (per example: Amelanchier), native wild plants of economic importance, woody alien plants, invasive aliens.

Gerry Mulligan, B.Sc.
Brassicaceae, weeds and poisonous plants.


In a case where identification is needed for material that is not listed among the areas of expertise shown above, the collections manager may be able to recommend an appropriate expert.

For identifications that are likely to involve a cost, a specific form must be signed following discussion of fees for identification service.

To receive a copy of this form, please contact the collections manager at