Concepedia

Lawrence R. Heckard

LR

Statistics

Publications

16

Citations

826

H-Index

13

Active since

1962

Affiliations

Illinois State University(Current)

University of California, Berkeley

Lawrence R. Heckard is an author at Illinois State University specializing in natural sciences, botany, and evolutionary biology.

Top concepts

BotanyNatural SciencesBiologyEvolutionary BiologyPhylogeneticsMedicineBiodiversityPlant PhylogenyGeneticsPlant Reproduction

Publications per year

1962–1993

16

Publications

16

California Serpentines: Flora, Vegetation, Geology, Soils, and Management Problems

Lawrence R. Heckard, Arthur R. Kruckeberg · Taxon · 1986 · 388 citations

Biodiversity, Engineering, Botany +11

SEED COAT MORPHOLOGY IN CORDYLANTHUS (SCROPHULARIACEAE) AND ITS TAXONOMIC SIGNIFICANCE

Tsan‐Iang Chuang, Lawrence R. Heckard · American Journal of Botany · 1972 · 72 citations

Biology, Biodiversity, Seed Coat +13

OBSERVATIONS ON ROOT‐PARASITISM IN CORDYLANTHUS (SCROPHULARIACEAE)

Tsan‐Iang Chuang, Lawrence R. Heckard · American Journal of Botany · 1971 · 54 citations

Plant Physiology, Engineering, Botany +16

Root Parasitism in Castilleja

Lawrence R. Heckard · Botanical Gazette · 1962 · 50 citations

Parasitic Disease, Botany, Root Parasitism +16

Generic Realignment and Synopsis of Subtribe Castillejinae (Scrophulariaceae-Tribe Pediculareae)

T. I. Chuang, Lawrence R. Heckard · Systematic Botany · 1991 · 48 citations

Biology, Biodiversity, South America +14

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