James Alexander Calder

Canadian botanist (1915–1990).

Abbreviations: Calder

Occupations: botanist

Citizenships: Canada

Dates: 1915-00-00T00:00:00Z – 1990-00-00T00:00:00Z

Direct attributions: 13 plants, 0 fungi

Authorship mentions: 21 plants, 0 fungi

Links:IPNI BHL

13 plants attributed, 8 plants contributed to21 plants:

Saxifraga taylorii (Taylor's Saxifrage) Calder & Savile 1959

perennial plant species in the saxifragaceae family

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Heuchera × easthamii Calder & Savile 1959

perennial plant hybrid species in the saxifragaceae family

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Ligusticum scothicum ssp. hultenii (Fernald) Calder & Roy L.Taylor 1965

perennial plant subspecies in the apiaceae family

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Equisetum hyemale ssp. affine (Prairie Scouring Rush) (Engelm.) Calder & Roy L.Taylor 1965

plant subspecies in the equisetaceae family

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Viola biflora ssp. carlottae (Queen Charlotte Twinflower Violet) Calder & Roy L.Taylor 1965

perennial plant subspecies in the violaceae family

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Subularia aquatica ssp. americana (American Water Awlwort) G.A.Mulligan & Calder 1964

annual plant subspecies in the brassicaceae family

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Sorbus sitchensis ssp. grayi (Gray's Mountain Ash) (Wenz.) Calder & Roy L.Taylor 1965

plant subspecies in the rosaceae family

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Ligusticum scoticum ssp. hultenii (Hultén's Licorice-root) (Fernald) Calder & Roy L.Taylor 1965

perennial plant subspecies in the apiaceae family

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Heuchera cylindrica var. orbicularis (Rosend., Lakela & Lakela) Calder & Savile 1959

plant variety in the saxifragaceae family

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Geum schofieldii (Schofield's Avens) Calder & Roy L.Taylor 1965

perennial plant species in the rosaceae family

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Cassiope lycopodioides ssp. cristapilosa (Clubmoss Cassiope) Calder & Roy L.Taylor 1963

plant subspecies in the ericaceae family

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Carex leptalea ssp. pacifica (Pacific Bristly-stalk Sedge) Calder & Roy L.Taylor 1963

perennial plant subspecies in the cyperaceae family

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Callitriche heterophylla ssp. bolanderi (Large Water-starwort) (Hegelm.) Calder & Roy L.Taylor 1963

plant subspecies in the plantaginaceae family

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Enemion savilei (Queen Charlotte Island False Rue Anemone) (Calder & Roy L.Taylor) Keener 1980

perennial plant species in the ranunculaceae family

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Acilepis fysonii (Calder) H.Rob. & Skvarla 2009

plant species in the asteraceae family

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Packera subnuda var. moresbiensis (Queen Charlotte Butterweed) (Calder & Roy L.Taylor) Trock 2004

plant variety in the asteraceae family

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Micranthes porsildiana (Porsild's Saxifrage) (Calder & Savile) Elven & D.F.Murray 2008

perennial plant species in the saxifragaceae family

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Micranthes nelsoniana var. porsildiana (Porsild's Saxifrage) (Calder & Savile) Gornall & H.Ohba 2008

perennial plant variety in the saxifragaceae family

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Micranthes nelsoniana var. cascadensis (Cascade Saxifrage) (Calder & Savile) Gornall & H.Ohba 2007

perennial plant variety in the saxifragaceae family

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Micranthes nelsoniana var. carlottae (Queen Charlotte Islands Saxifrage) (Calder & Savile) Gornall & H.Ohba 2007

perennial plant variety in the saxifragaceae family

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Micranthes lyallii ssp. hultenii (Calder & Savile) Elven & D.F.Murray 2008

plant subspecies in the saxifragaceae family

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