EDIT

import eu.etaxonomy.cdm.model.name.BotanicalName;

	private final Map<String, BotanicalName> familyNameMap = new HashMap<String, BotanicalName>();

    //family names

    public BotanicalName getFamilyName(String familyStr) {

        return familyNameMap.get(familyStr);

    }

    public void putFamilyName(String familyStr, BotanicalName name) {

        familyNameMap.put(familyStr, name);

    }

    Map<UUID, Reference<?>> refMap = new HashMap<UUID, Reference<?>>();

    //reference

    public Reference<?> getReference(UUID uuidRef) {

        return refMap.get(uuidRef);

    }

    public void putReference(UUID uuidRef, Reference<?> ref) {

        refMap.put(uuidRef, ref);

    }