Respondent: Johan Johansson Haartman (1725–1787)

Title: Plantae Hybridae, ...

Date of Defense: 23 November 1751

Paginations: [iv], [1], 2-30, 1 plate

Lidén Title: Plantae hybridae.

Soulsby Title: Pl. hybr.

Drake Title: Plantae Hybridae.

Note:

Abstract: An essay on plant hybridization in nature, acknowledging fertilization of one species by pollen of another, and reporting some fertile intergeneric crosses. Interspecific hybrids are cited in Geranium (= Pelargonium), Erica, and Mesembryanthemum (sensu latiore). A list of 34 species believed to be of hybrid origin is given with supporting notes for each. A second list of those of putative hybrid origin is also supplied.

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